From 9be385980d37e8f4fd33f605f5fb1c3d144170a8 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Mon, 13 Jun 2016 18:57:58 -0300 Subject: coccinelle: Remove unnecessary variables for function return value Use Coccinelle script to replace 'ret = E; return ret' with 'return E'. The script will do the substitution only when the function return type and variable type are the same. Manual fixups: * audio/audio.c: coding style of "read (...)" and "write (...)" * block/qcow2-cluster.c: wrap line to make it shorter * block/qcow2-refcount.c: change indentation of wrapped line * target-tricore/op_helper.c: fix coding style of "remainder|quotient" * target-mips/dsp_helper.c: reverted changes because I don't want to argue about checkpatch.pl * ui/qemu-pixman.c: fix line indentation * block/rbd.c: restore blank line between declarations and statements Reviewed-by: Eric Blake Signed-off-by: Eduardo Habkost Message-Id: <1465855078-19435-4-git-send-email-ehabkost@redhat.com> Reviewed-by: Markus Armbruster [Unused Coccinelle rule name dropped along with a redundant comment; whitespace touched up in block/qcow2-cluster.c; stale commit message paragraph deleted] Signed-off-by: Markus Armbruster --- audio/audio.c | 10 ++-------- block/archipelago.c | 4 +--- block/qcow2-cluster.c | 6 ++---- block/qcow2-refcount.c | 7 ++----- block/raw-posix.c | 8 ++------ block/raw_bsd.c | 5 +---- block/rbd.c | 4 +--- block/vmdk.c | 6 ++---- block/vvfat.c | 5 +---- hw/acpi/aml-build.c | 13 +++---------- hw/audio/intel-hda.c | 5 +---- hw/display/vga.c | 4 +--- hw/intc/s390_flic_kvm.c | 5 ++--- hw/pci-host/uninorth.c | 5 +---- hw/ppc/spapr_vio.c | 5 +---- hw/scsi/megasas.c | 5 +---- hw/scsi/scsi-generic.c | 5 +---- hw/timer/mc146818rtc.c | 4 +--- hw/virtio/virtio-pci.c | 4 +--- linux-user/signal.c | 15 ++++----------- page_cache.c | 5 +---- qga/commands-posix.c | 4 +--- qga/commands-win32.c | 5 +---- qobject/qlist.c | 5 +---- scripts/coccinelle/return_directly.cocci | 19 +++++++++++++++++++ target-i386/fpu_helper.c | 10 ++-------- target-i386/kvm.c | 5 ++--- target-mips/op_helper.c | 4 +--- target-s390x/helper.c | 6 +----- target-sparc/cc_helper.c | 25 +++++-------------------- target-tricore/op_helper.c | 13 ++++--------- tests/display-vga-test.c | 6 +----- tests/endianness-test.c | 5 +---- tests/i440fx-test.c | 4 +--- tests/intel-hda-test.c | 6 +----- tests/test-filter-redirector.c | 6 +----- tests/virtio-blk-test.c | 5 +---- tests/virtio-console-test.c | 6 +----- tests/virtio-net-test.c | 6 +----- tests/virtio-scsi-test.c | 6 +----- tests/wdt_ib700-test.c | 6 +----- ui/cursor.c | 10 ++-------- ui/qemu-pixman.c | 13 +++++-------- util/module.c | 6 +----- vl.c | 5 +---- 45 files changed, 88 insertions(+), 228 deletions(-) create mode 100644 scripts/coccinelle/return_directly.cocci diff --git a/audio/audio.c b/audio/audio.c index e60c124de8..9d4dcc72dd 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -1131,8 +1131,6 @@ static void audio_timer (void *opaque) */ int AUD_write (SWVoiceOut *sw, void *buf, int size) { - int bytes; - if (!sw) { /* XXX: Consider options */ return size; @@ -1143,14 +1141,11 @@ int AUD_write (SWVoiceOut *sw, void *buf, int size) return 0; } - bytes = sw->hw->pcm_ops->write (sw, buf, size); - return bytes; + return sw->hw->pcm_ops->write(sw, buf, size); } int AUD_read (SWVoiceIn *sw, void *buf, int size) { - int bytes; - if (!sw) { /* XXX: Consider options */ return size; @@ -1161,8 +1156,7 @@ int AUD_read (SWVoiceIn *sw, void *buf, int size) return 0; } - bytes = sw->hw->pcm_ops->read (sw, buf, size); - return bytes; + return sw->hw->pcm_ops->read(sw, buf, size); } int AUD_get_buffer_size_out (SWVoiceOut *sw) diff --git a/block/archipelago.c b/block/archipelago.c index b9f5e69d4a..37b8aca78d 100644 --- a/block/archipelago.c +++ b/block/archipelago.c @@ -974,11 +974,9 @@ err_exit2: static int64_t qemu_archipelago_getlength(BlockDriverState *bs) { - int64_t ret; BDRVArchipelagoState *s = bs->opaque; - ret = archipelago_volume_info(s); - return ret; + return archipelago_volume_info(s); } static int qemu_archipelago_truncate(BlockDriverState *bs, int64_t offset) diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index 893ddf6798..0fb43566fb 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -154,11 +154,9 @@ static int l2_load(BlockDriverState *bs, uint64_t l2_offset, uint64_t **l2_table) { BDRVQcow2State *s = bs->opaque; - int ret; - - ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset, (void**) l2_table); - return ret; + return qcow2_cache_get(bs, s->l2_table_cache, l2_offset, + (void **)l2_table); } /* diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 66f187a74b..3bef410839 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -218,13 +218,10 @@ static int load_refcount_block(BlockDriverState *bs, void **refcount_block) { BDRVQcow2State *s = bs->opaque; - int ret; BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_LOAD); - ret = qcow2_cache_get(bs, s->refcount_block_cache, refcount_block_offset, - refcount_block); - - return ret; + return qcow2_cache_get(bs, s->refcount_block_cache, refcount_block_offset, + refcount_block); } /* diff --git a/block/raw-posix.c b/block/raw-posix.c index dbdabc9cf1..bef7a671a6 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -582,11 +582,9 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { BDRVRawState *s = bs->opaque; - int ret; s->type = FTYPE_FILE; - ret = raw_open_common(bs, options, flags, 0, errp); - return ret; + return raw_open_common(bs, options, flags, 0, errp); } static int raw_reopen_prepare(BDRVReopenState *state, @@ -2437,13 +2435,11 @@ static int cdrom_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { BDRVRawState *s = bs->opaque; - int ret; s->type = FTYPE_CD; /* open will not fail even if no CD is inserted, so add O_NONBLOCK */ - ret = raw_open_common(bs, options, flags, O_NONBLOCK, errp); - return ret; + return raw_open_common(bs, options, flags, O_NONBLOCK, errp); } static int cdrom_probe_device(const char *filename) diff --git a/block/raw_bsd.c b/block/raw_bsd.c index b51ac98061..7f637914b7 100644 --- a/block/raw_bsd.c +++ b/block/raw_bsd.c @@ -190,10 +190,7 @@ static int raw_has_zero_init(BlockDriverState *bs) static int raw_create(const char *filename, QemuOpts *opts, Error **errp) { - int ret; - - ret = bdrv_create_file(filename, opts, errp); - return ret; + return bdrv_create_file(filename, opts, errp); } static int raw_open(BlockDriverState *bs, QDict *options, int flags, diff --git a/block/rbd.c b/block/rbd.c index 5226b6fef8..0a5840d08b 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -883,10 +883,8 @@ static int qemu_rbd_snap_rollback(BlockDriverState *bs, const char *snapshot_name) { BDRVRBDState *s = bs->opaque; - int r; - r = rbd_snap_rollback(s->image, snapshot_name); - return r; + return rbd_snap_rollback(s->image, snapshot_name); } static int qemu_rbd_snap_list(BlockDriverState *bs, diff --git a/block/vmdk.c b/block/vmdk.c index ee09423b46..2901692700 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1260,15 +1260,13 @@ static VmdkExtent *find_extent(BDRVVmdkState *s, static inline uint64_t vmdk_find_offset_in_cluster(VmdkExtent *extent, int64_t offset) { - uint64_t offset_in_cluster, extent_begin_offset, extent_relative_offset; + uint64_t extent_begin_offset, extent_relative_offset; uint64_t cluster_size = extent->cluster_sectors * BDRV_SECTOR_SIZE; extent_begin_offset = (extent->end_sector - extent->sectors) * BDRV_SECTOR_SIZE; extent_relative_offset = offset - extent_begin_offset; - offset_in_cluster = extent_relative_offset % cluster_size; - - return offset_in_cluster; + return extent_relative_offset % cluster_size; } static inline uint64_t vmdk_find_index_in_cluster(VmdkExtent *extent, diff --git a/block/vvfat.c b/block/vvfat.c index 6d2e21ce11..5569450616 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -114,15 +114,12 @@ static inline int array_ensure_allocated(array_t* array, int index) static inline void* array_get_next(array_t* array) { unsigned int next = array->next; - void* result; if (array_ensure_allocated(array, next) < 0) return NULL; array->next = next + 1; - result = array_get(array, next); - - return result; + return array_get(array, next); } static inline void* array_insert(array_t* array,unsigned int index,unsigned int count) { diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 123160a94e..874e473cac 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -324,12 +324,9 @@ static void aml_free(gpointer data, gpointer user_data) Aml *init_aml_allocator(void) { - Aml *var; - assert(!alloc_list); alloc_list = g_ptr_array_new(); - var = aml_alloc(); - return var; + return aml_alloc(); } void free_aml_allocator(void) @@ -451,12 +448,10 @@ Aml *aml_name_decl(const char *name, Aml *val) /* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */ Aml *aml_arg(int pos) { - Aml *var; uint8_t op = 0x68 /* ARG0 op */ + pos; assert(pos <= 6); - var = aml_opcode(op); - return var; + return aml_opcode(op); } /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */ @@ -1082,12 +1077,10 @@ Aml *aml_string(const char *name_format, ...) /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ Aml *aml_local(int num) { - Aml *var; uint8_t op = 0x60 /* Local0Op */ + num; assert(num <= 7); - var = aml_opcode(op); - return var; + return aml_opcode(op); } /* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */ diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c index 93d7669fb5..098b17d020 100644 --- a/hw/audio/intel-hda.c +++ b/hw/audio/intel-hda.c @@ -219,10 +219,7 @@ static void intel_hda_reset(DeviceState *dev); static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase) { - hwaddr addr; - - addr = ((uint64_t)ubase << 32) | lbase; - return addr; + return ((uint64_t)ubase << 32) | lbase; } static void intel_hda_update_int_sts(IntelHDAState *d) diff --git a/hw/display/vga.c b/hw/display/vga.c index 9ebc54f22b..2a88b3c1b4 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -700,9 +700,7 @@ static void vbe_update_vgaregs(VGACommonState *s) static uint32_t vbe_ioport_read_index(void *opaque, uint32_t addr) { VGACommonState *s = opaque; - uint32_t val; - val = s->vbe_index; - return val; + return s->vbe_index; } uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) diff --git a/hw/intc/s390_flic_kvm.c b/hw/intc/s390_flic_kvm.c index 680857f0c7..fef808011f 100644 --- a/hw/intc/s390_flic_kvm.c +++ b/hw/intc/s390_flic_kvm.c @@ -195,7 +195,7 @@ static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id, .swap = swap, }; KVMS390FLICState *flic = KVM_S390_FLIC(fs); - int r, ret; + int r; struct kvm_device_attr attr = { .group = KVM_DEV_FLIC_ADAPTER_REGISTER, .addr = (uint64_t)&adapter, @@ -208,8 +208,7 @@ static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id, r = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr); - ret = r ? -errno : 0; - return ret; + return r ? -errno : 0; } static int kvm_s390_io_adapter_map(S390FLICState *fs, uint32_t id, diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c index 15b1054232..7aac4d67a4 100644 --- a/hw/pci-host/uninorth.c +++ b/hw/pci-host/uninorth.c @@ -62,12 +62,9 @@ typedef struct UNINState { static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num) { - int retval; int devfn = pci_dev->devfn & 0x00FFFFFF; - retval = (((devfn >> 11) & 0x1F) + irq_num) & 3; - - return retval; + return (((devfn >> 11) & 0x1F) + irq_num) & 3; } static void pci_unin_set_irq(void *opaque, int irq_num, int level) diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c index 3d9b9c60f4..ae40db8fd2 100644 --- a/hw/ppc/spapr_vio.c +++ b/hw/ppc/spapr_vio.c @@ -57,12 +57,9 @@ static char *spapr_vio_get_dev_name(DeviceState *qdev) { VIOsPAPRDevice *dev = VIO_SPAPR_DEVICE(qdev); VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - char *name; /* Device tree style name device@reg */ - name = g_strdup_printf("%s@%x", pc->dt_name, dev->reg); - - return name; + return g_strdup_printf("%s@%x", pc->dt_name, dev->reg); } static void spapr_vio_bus_class_init(ObjectClass *klass, void *data) diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index a9ffc32682..d1772183cf 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -410,17 +410,14 @@ static void megasas_encode_lba(uint8_t *cdb, uint64_t lba, static uint64_t megasas_fw_time(void) { struct tm curtime; - uint64_t bcd_time; qemu_get_timedate(&curtime, 0); - bcd_time = ((uint64_t)curtime.tm_sec & 0xff) << 48 | + return ((uint64_t)curtime.tm_sec & 0xff) << 48 | ((uint64_t)curtime.tm_min & 0xff) << 40 | ((uint64_t)curtime.tm_hour & 0xff) << 32 | ((uint64_t)curtime.tm_mday & 0xff) << 24 | ((uint64_t)curtime.tm_mon & 0xff) << 16 | ((uint64_t)(curtime.tm_year + 1900) & 0xffff); - - return bcd_time; } /* diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 71372a8383..6a2d89afba 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -579,10 +579,7 @@ const SCSIReqOps scsi_generic_req_ops = { static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun, uint8_t *buf, void *hba_private) { - SCSIRequest *req; - - req = scsi_req_alloc(&scsi_generic_req_ops, d, tag, lun, hba_private); - return req; + return scsi_req_alloc(&scsi_generic_req_ops, d, tag, lun, hba_private); } static Property scsi_generic_properties[] = { diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index a11b8b4b21..f4e333eb8f 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -105,12 +105,10 @@ static inline bool rtc_running(RTCState *s) static uint64_t get_guest_rtc_ns(RTCState *s) { - uint64_t guest_rtc; uint64_t guest_clock = qemu_clock_get_ns(rtc_clock); - guest_rtc = s->base_rtc * NANOSECONDS_PER_SECOND + + return s->base_rtc * NANOSECONDS_PER_SECOND + guest_clock - s->last_update + s->offset; - return guest_rtc; } #ifdef TARGET_I386 diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index bfedbbf17f..1a0278304b 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -761,9 +761,7 @@ static int kvm_virtio_pci_irqfd_use(VirtIOPCIProxy *proxy, VirtIODevice *vdev = virtio_bus_get_device(&proxy->bus); VirtQueue *vq = virtio_get_queue(vdev, queue_no); EventNotifier *n = virtio_queue_get_guest_notifier(vq); - int ret; - ret = kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, irqfd->virq); - return ret; + return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, irqfd->virq); } static void kvm_virtio_pci_irqfd_release(VirtIOPCIProxy *proxy, diff --git a/linux-user/signal.c b/linux-user/signal.c index 61c1145446..1dadddf2dd 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -195,7 +195,6 @@ int block_signals(void) { TaskState *ts = (TaskState *)thread_cpu->opaque; sigset_t set; - int pending; /* It's OK to block everything including SIGSEGV, because we won't * run any further guest code before unblocking signals in @@ -204,9 +203,7 @@ int block_signals(void) sigfillset(&set); sigprocmask(SIG_SETMASK, &set, 0); - pending = atomic_xchg(&ts->signal_pending, 1); - - return pending; + return atomic_xchg(&ts->signal_pending, 1); } /* Wrapper for sigprocmask function @@ -3956,9 +3953,7 @@ static void setup_sigcontext(struct target_sigcontext *sc, static inline unsigned long align_sigframe(unsigned long sp) { - unsigned long i; - i = sp & ~3UL; - return i; + return sp & ~3UL; } static inline abi_ulong get_sigframe(struct target_sigaction *ka, @@ -4555,7 +4550,7 @@ static target_ulong get_sigframe(struct target_sigaction *ka, CPUPPCState *env, int frame_size) { - target_ulong oldsp, newsp; + target_ulong oldsp; oldsp = env->gpr[1]; @@ -4565,9 +4560,7 @@ static target_ulong get_sigframe(struct target_sigaction *ka, + target_sigaltstack_used.ss_size); } - newsp = (oldsp - frame_size) & ~0xFUL; - - return newsp; + return (oldsp - frame_size) & ~0xFUL; } static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame) diff --git a/page_cache.c b/page_cache.c index a2809db2f5..5f8578736e 100644 --- a/page_cache.c +++ b/page_cache.c @@ -111,11 +111,8 @@ void cache_fini(PageCache *cache) static size_t cache_get_cache_pos(const PageCache *cache, uint64_t address) { - size_t pos; - g_assert(cache->max_num_items); - pos = (address / cache->page_size) & (cache->max_num_items - 1); - return pos; + return (address / cache->page_size) & (cache->max_num_items - 1); } static CacheItem *cache_get_by_addr(const PageCache *cache, uint64_t addr) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index eaef7be42e..ea37c097cf 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -127,7 +127,6 @@ int64_t qmp_guest_get_time(Error **errp) { int ret; qemu_timeval tq; - int64_t time_ns; ret = qemu_gettimeofday(&tq); if (ret < 0) { @@ -135,8 +134,7 @@ int64_t qmp_guest_get_time(Error **errp) return -1; } - time_ns = tq.tv_sec * 1000000000LL + tq.tv_usec * 1000; - return time_ns; + return tq.tv_sec * 1000000000LL + tq.tv_usec * 1000; } void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index ea23797c0f..9c9be12116 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -1150,7 +1150,6 @@ out: int64_t qmp_guest_get_time(Error **errp) { SYSTEMTIME ts = {0}; - int64_t time_ns; FILETIME tf; GetSystemTime(&ts); @@ -1164,10 +1163,8 @@ int64_t qmp_guest_get_time(Error **errp) return -1; } - time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) + return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) - W32_FT_OFFSET) * 100; - - return time_ns; } void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) diff --git a/qobject/qlist.c b/qobject/qlist.c index 1ec74de2b3..86b60cb88c 100644 --- a/qobject/qlist.c +++ b/qobject/qlist.c @@ -100,7 +100,6 @@ QObject *qlist_pop(QList *qlist) QObject *qlist_peek(QList *qlist) { QListEntry *entry; - QObject *ret; if (qlist == NULL || QTAILQ_EMPTY(&qlist->head)) { return NULL; @@ -108,9 +107,7 @@ QObject *qlist_peek(QList *qlist) entry = QTAILQ_FIRST(&qlist->head); - ret = entry->value; - - return ret; + return entry->value; } int qlist_empty(const QList *qlist) diff --git a/scripts/coccinelle/return_directly.cocci b/scripts/coccinelle/return_directly.cocci new file mode 100644 index 0000000000..48680f2c2a --- /dev/null +++ b/scripts/coccinelle/return_directly.cocci @@ -0,0 +1,19 @@ +// replace 'R = X; return R;' with 'return R;' +@@ +identifier VAR; +expression E; +type T; +identifier F; +@@ + T F(...) + { + ... +- T VAR; + ... when != VAR + +- VAR = ++ return + E; +- return VAR; + ... when != VAR + } diff --git a/target-i386/fpu_helper.c b/target-i386/fpu_helper.c index 206e60fdf5..929489bfc8 100644 --- a/target-i386/fpu_helper.c +++ b/target-i386/fpu_helper.c @@ -298,18 +298,12 @@ int32_t helper_fistt_ST0(CPUX86State *env) int32_t helper_fisttl_ST0(CPUX86State *env) { - int32_t val; - - val = floatx80_to_int32_round_to_zero(ST0, &env->fp_status); - return val; + return floatx80_to_int32_round_to_zero(ST0, &env->fp_status); } int64_t helper_fisttll_ST0(CPUX86State *env) { - int64_t val; - - val = floatx80_to_int64_round_to_zero(ST0, &env->fp_status); - return val; + return floatx80_to_int64_round_to_zero(ST0, &env->fp_status); } void helper_fldt_ST0(CPUX86State *env, target_ulong ptr) diff --git a/target-i386/kvm.c b/target-i386/kvm.c index ff92b1d118..f3698f19b5 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1346,7 +1346,7 @@ static int kvm_put_xsave(X86CPU *cpu) CPUX86State *env = &cpu->env; X86XSaveArea *xsave = env->kvm_xsave_buf; uint16_t cwd, swd, twd; - int i, r; + int i; if (!has_xsave) { return kvm_put_fpu(cpu); @@ -1395,8 +1395,7 @@ static int kvm_put_xsave(X86CPU *cpu) 16 * sizeof env->xmm_regs[16]); memcpy(&xsave->pkru_state, &env->pkru, sizeof env->pkru); #endif - r = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave); - return r; + return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave); } static int kvm_put_xcrs(X86CPU *cpu) diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 7cf980748e..1ae1dda0af 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -133,10 +133,8 @@ static inline uint64_t get_HILO(CPUMIPSState *env) static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO) { - target_ulong tmp; env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF); - tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32); - return tmp; + return env->active_tc.HI[0] = (int32_t)(HILO >> 32); } static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO) diff --git a/target-s390x/helper.c b/target-s390x/helper.c index 9a744df6c8..54a5177345 100644 --- a/target-s390x/helper.c +++ b/target-s390x/helper.c @@ -70,11 +70,7 @@ void s390x_cpu_timer(void *opaque) S390CPU *cpu_s390x_create(const char *cpu_model, Error **errp) { - S390CPU *cpu; - - cpu = S390_CPU(object_new(TYPE_S390_CPU)); - - return cpu; + return S390_CPU(object_new(TYPE_S390_CPU)); } S390CPU *s390x_new_cpu(const char *cpu_model, int64_t id, Error **errp) diff --git a/target-sparc/cc_helper.c b/target-sparc/cc_helper.c index 44c4409346..a410a0b98f 100644 --- a/target-sparc/cc_helper.c +++ b/target-sparc/cc_helper.c @@ -200,10 +200,7 @@ static uint32_t compute_all_addx_xcc(CPUSPARCState *env) static uint32_t compute_C_addx_xcc(CPUSPARCState *env) { - uint32_t ret; - - ret = get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; + return get_C_addx_xcc(CC_DST, CC_SRC, CC_SRC2); } #endif @@ -219,10 +216,7 @@ static uint32_t compute_all_addx(CPUSPARCState *env) static uint32_t compute_C_addx(CPUSPARCState *env) { - uint32_t ret; - - ret = get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; + return get_C_addx_icc(CC_DST, CC_SRC, CC_SRC2); } static inline uint32_t get_V_tag_icc(target_ulong src1, target_ulong src2) @@ -365,10 +359,7 @@ static uint32_t compute_all_subx_xcc(CPUSPARCState *env) static uint32_t compute_C_subx_xcc(CPUSPARCState *env) { - uint32_t ret; - - ret = get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2); - return ret; + return get_C_subx_xcc(CC_DST, CC_SRC, CC_SRC2); } #endif @@ -384,10 +375,7 @@ static uint32_t compute_all_subx(CPUSPARCState *env) static uint32_t compute_C_subx(CPUSPARCState *env) { - uint32_t ret; - - ret = get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2); - return ret; + return get_C_subx_icc(CC_DST, CC_SRC, CC_SRC2); } static uint32_t compute_all_tsub(CPUSPARCState *env) @@ -479,8 +467,5 @@ void helper_compute_psr(CPUSPARCState *env) uint32_t helper_compute_C_icc(CPUSPARCState *env) { - uint32_t ret; - - ret = icc_table[CC_OP].compute_c(env) >> PSR_CARRY_SHIFT; - return ret; + return icc_table[CC_OP].compute_c(env) >> PSR_CARRY_SHIFT; } diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c index a73ed530f6..3382a126bd 100644 --- a/target-tricore/op_helper.c +++ b/target-tricore/op_helper.c @@ -2117,7 +2117,7 @@ uint64_t helper_dvadj(uint64_t r1, uint32_t r2) int32_t eq_pos = x_sign & ((r1 >> 32) == r2); int32_t eq_neg = x_sign & ((r1 >> 32) == -r2); uint32_t quotient; - uint64_t ret, remainder; + uint64_t remainder; if ((q_sign & ~eq_neg) | eq_pos) { quotient = (r1 + 1) & 0xffffffff; @@ -2130,8 +2130,7 @@ uint64_t helper_dvadj(uint64_t r1, uint32_t r2) } else { remainder = (r1 & 0xffffffff00000000ull); } - ret = remainder|quotient; - return ret; + return remainder | quotient; } uint64_t helper_dvstep(uint64_t r1, uint32_t r2) @@ -2236,7 +2235,6 @@ uint64_t helper_divide_u(CPUTriCoreState *env, uint32_t r1, uint32_t r2) uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01, uint32_t arg10, uint32_t arg11, uint32_t n) { - uint64_t ret; uint32_t result0, result1; int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && @@ -2253,8 +2251,7 @@ uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01, } else { result0 = (((uint32_t)(arg01 * arg11)) << n); } - ret = (((uint64_t)result1 << 32)) | result0; - return ret; + return (((uint64_t)result1 << 32)) | result0; } uint64_t helper_mulm_h(uint32_t arg00, uint32_t arg01, @@ -2308,11 +2305,9 @@ uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01, uint32_t helper_crc32(uint32_t arg0, uint32_t arg1) { uint8_t buf[4]; - uint32_t ret; stl_be_p(buf, arg0); - ret = crc32(arg1, buf, 4); - return ret; + return crc32(arg1, buf, 4); } /* context save area (CSA) related helpers */ diff --git a/tests/display-vga-test.c b/tests/display-vga-test.c index 06b244ed9a..91460215cc 100644 --- a/tests/display-vga-test.c +++ b/tests/display-vga-test.c @@ -50,8 +50,6 @@ static void pci_virtio_vga(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/display/pci/cirrus", pci_cirrus); @@ -62,7 +60,5 @@ int main(int argc, char **argv) #ifdef CONFIG_VIRTIO_VGA qtest_add_func("/display/pci/virtio-vga", pci_virtio_vga); #endif - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/endianness-test.c b/tests/endianness-test.c index 2197972e55..b7a120e0a4 100644 --- a/tests/endianness-test.c +++ b/tests/endianness-test.c @@ -282,7 +282,6 @@ static void test_endianness_combine(gconstpointer data) int main(int argc, char **argv) { const char *arch = qtest_get_arch(); - int ret; int i; g_test_init(&argc, &argv, NULL); @@ -305,7 +304,5 @@ int main(int argc, char **argv) qtest_add_data_func(path, &test_cases[i], test_endianness_combine); } - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/i440fx-test.c b/tests/i440fx-test.c index c1d9b3eb9e..3542ad114e 100644 --- a/tests/i440fx-test.c +++ b/tests/i440fx-test.c @@ -394,7 +394,6 @@ static void request_pflash(FirmwareTestFixture *fixture, int main(int argc, char **argv) { TestData data; - int ret; g_test_init(&argc, &argv, NULL); @@ -405,6 +404,5 @@ int main(int argc, char **argv) add_firmware_test("i440fx/firmware/bios", request_bios); add_firmware_test("i440fx/firmware/pflash", request_pflash); - ret = g_test_run(); - return ret; + return g_test_run(); } diff --git a/tests/intel-hda-test.c b/tests/intel-hda-test.c index b0ca7e042a..b782b2e944 100644 --- a/tests/intel-hda-test.c +++ b/tests/intel-hda-test.c @@ -31,13 +31,9 @@ static void ich9_test(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/intel-hda/ich6", ich6_test); qtest_add_func("/intel-hda/ich9", ich9_test); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/test-filter-redirector.c b/tests/test-filter-redirector.c index 280e4b68ab..c63b68f03a 100644 --- a/tests/test-filter-redirector.c +++ b/tests/test-filter-redirector.c @@ -209,12 +209,8 @@ static void test_redirector_rx(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/netfilter/redirector_tx", test_redirector_tx); qtest_add_func("/netfilter/redirector_rx", test_redirector_rx); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c index 8272ba8c42..06dd7fc8eb 100644 --- a/tests/virtio-blk-test.c +++ b/tests/virtio-blk-test.c @@ -763,7 +763,6 @@ static void mmio_basic(void) int main(int argc, char **argv) { - int ret; const char *arch = qtest_get_arch(); g_test_init(&argc, &argv, NULL); @@ -779,7 +778,5 @@ int main(int argc, char **argv) qtest_add_func("/virtio/blk/mmio/basic", mmio_basic); } - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/virtio-console-test.c b/tests/virtio-console-test.c index 6d6414dc8e..1c3de072f4 100644 --- a/tests/virtio-console-test.c +++ b/tests/virtio-console-test.c @@ -27,13 +27,9 @@ static void serialport_pci_nop(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/virtio/console/pci/nop", console_pci_nop); qtest_add_func("/virtio/serialport/pci/nop", serialport_pci_nop); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/virtio-net-test.c b/tests/virtio-net-test.c index e5c144818e..f4f6a4ae7a 100644 --- a/tests/virtio-net-test.c +++ b/tests/virtio-net-test.c @@ -248,8 +248,6 @@ static void hotplug(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); #ifndef _WIN32 qtest_add_data_func("/virtio/net/pci/basic", send_recv_test, pci_basic); @@ -258,7 +256,5 @@ int main(int argc, char **argv) #endif qtest_add_func("/virtio/net/pci/hotplug", hotplug); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/virtio-scsi-test.c b/tests/virtio-scsi-test.c index 5f1a8aefeb..b712652fd7 100644 --- a/tests/virtio-scsi-test.c +++ b/tests/virtio-scsi-test.c @@ -260,15 +260,11 @@ static void test_unaligned_write_same(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/virtio/scsi/pci/nop", pci_nop); qtest_add_func("/virtio/scsi/pci/hotplug", hotplug); qtest_add_func("/virtio/scsi/pci/scsi-disk/unaligned-write-same", test_unaligned_write_same); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/tests/wdt_ib700-test.c b/tests/wdt_ib700-test.c index 9c1d78b1bc..49f4f0c221 100644 --- a/tests/wdt_ib700-test.c +++ b/tests/wdt_ib700-test.c @@ -117,15 +117,11 @@ static void ib700_none(void) int main(int argc, char **argv) { - int ret; - g_test_init(&argc, &argv, NULL); qtest_add_func("/wdt_ib700/pause", ib700_pause); qtest_add_func("/wdt_ib700/reset", ib700_reset); qtest_add_func("/wdt_ib700/shutdown", ib700_shutdown); qtest_add_func("/wdt_ib700/none", ib700_none); - ret = g_test_run(); - - return ret; + return g_test_run(); } diff --git a/ui/cursor.c b/ui/cursor.c index a276e01f1c..5155b392e8 100644 --- a/ui/cursor.c +++ b/ui/cursor.c @@ -81,18 +81,12 @@ void cursor_print_ascii_art(QEMUCursor *c, const char *prefix) QEMUCursor *cursor_builtin_hidden(void) { - QEMUCursor *c; - - c = cursor_parse_xpm(cursor_hidden_xpm); - return c; + return cursor_parse_xpm(cursor_hidden_xpm); } QEMUCursor *cursor_builtin_left_ptr(void) { - QEMUCursor *c; - - c = cursor_parse_xpm(cursor_left_ptr_xpm); - return c; + return cursor_parse_xpm(cursor_left_ptr_xpm); } QEMUCursor *cursor_alloc(int width, int height) diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index c9f8dce7f4..6e8b83add6 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -180,14 +180,11 @@ void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y, pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, pixman_image_t *image) { - pixman_image_t *mirror; - - mirror = pixman_image_create_bits(format, - pixman_image_get_width(image), - pixman_image_get_height(image), - NULL, - pixman_image_get_stride(image)); - return mirror; + return pixman_image_create_bits(format, + pixman_image_get_width(image), + pixman_image_get_height(image), + NULL, + pixman_image_get_stride(image)); } void qemu_pixman_image_unref(pixman_image_t *image) diff --git a/util/module.c b/util/module.c index ce058aef6f..86e3f7aba0 100644 --- a/util/module.c +++ b/util/module.c @@ -55,13 +55,9 @@ static void init_lists(void) static ModuleTypeList *find_type(module_init_type type) { - ModuleTypeList *l; - init_lists(); - l = &init_type_list[type]; - - return l; + return &init_type_list[type]; } void register_module_init(void (*fn)(void), module_init_type type) diff --git a/vl.c b/vl.c index 18af70afb7..afd5c0be1f 100644 --- a/vl.c +++ b/vl.c @@ -2352,10 +2352,7 @@ static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) #ifdef CONFIG_VIRTFS static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) { - int ret; - ret = qemu_fsdev_add(opts); - - return ret; + return qemu_fsdev_add(opts); } #endif -- cgit v1.2.3