diff options
author | Markus Armbruster <armbru@redhat.com> | 2015-08-26 14:02:53 +0200 |
---|---|---|
committer | Michael Tokarev <mjt@tls.msk.ru> | 2015-09-11 10:21:38 +0300 |
commit | 012aef073461fd24a901d7a8742532093b7f6ae5 (patch) | |
tree | 4ee28d5cedea44f2af2b5b3a7fe482d9e80a3fad /hw | |
parent | ef1e1e0782e99c9dcf2b35e5310cdd8ca9211374 (diff) |
maint: avoid useless "if (foo) free(foo)" pattern
My Coccinelle semantic patch finds a few more, because it also fixes up
the equally pointless conditional
if (foo) {
free(foo);
foo = NULL;
}
Result (feel free to squash it into your patch):
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/char/exynos4210_uart.c | 6 | ||||
-rw-r--r-- | hw/net/rtl8139.c | 6 | ||||
-rw-r--r-- | hw/ppc/spapr_pci.c | 12 | ||||
-rw-r--r-- | hw/sd/sdhci.c | 6 | ||||
-rw-r--r-- | hw/usb/hcd-ehci-pci.c | 6 |
5 files changed, 12 insertions, 24 deletions
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c index 7614e5860f..215f9622c9 100644 --- a/hw/char/exynos4210_uart.c +++ b/hw/char/exynos4210_uart.c @@ -234,10 +234,8 @@ static int fifo_empty_elements_number(Exynos4210UartFIFO *q) static void fifo_reset(Exynos4210UartFIFO *q) { - if (q->data != NULL) { - g_free(q->data); - q->data = NULL; - } + g_free(q->data); + q->data = NULL; q->data = (uint8_t *)g_malloc0(q->size); diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c index 2040618afa..b0d6c40f58 100644 --- a/hw/net/rtl8139.c +++ b/hw/net/rtl8139.c @@ -3391,10 +3391,8 @@ static void pci_rtl8139_uninit(PCIDevice *dev) { RTL8139State *s = RTL8139(dev); - if (s->cplus_txbuffer) { - g_free(s->cplus_txbuffer); - s->cplus_txbuffer = NULL; - } + g_free(s->cplus_txbuffer); + s->cplus_txbuffer = NULL; timer_del(s->timer); timer_free(s->timer); qemu_del_nic(s->nic); diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index a8f79d8003..a2feb4c985 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1460,10 +1460,8 @@ static void spapr_pci_pre_save(void *opaque) gpointer key, value; int i; - if (sphb->msi_devs) { - g_free(sphb->msi_devs); - sphb->msi_devs = NULL; - } + g_free(sphb->msi_devs); + sphb->msi_devs = NULL; sphb->msi_devs_num = g_hash_table_size(sphb->msi); if (!sphb->msi_devs_num) { return; @@ -1490,10 +1488,8 @@ static int spapr_pci_post_load(void *opaque, int version_id) sizeof(sphb->msi_devs[i].value)); g_hash_table_insert(sphb->msi, key, value); } - if (sphb->msi_devs) { - g_free(sphb->msi_devs); - sphb->msi_devs = NULL; - } + g_free(sphb->msi_devs); + sphb->msi_devs = NULL; sphb->msi_devs_num = 0; return 0; diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index e63367ba56..65304cff5e 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1169,10 +1169,8 @@ static void sdhci_uninitfn(SDHCIState *s) qemu_free_irq(s->eject_cb); qemu_free_irq(s->ro_cb); - if (s->fifo_buffer) { - g_free(s->fifo_buffer); - s->fifo_buffer = NULL; - } + g_free(s->fifo_buffer); + s->fifo_buffer = NULL; } const VMStateDescription sdhci_vmstate = { diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c index 7afa5f9d67..16fb845d07 100644 --- a/hw/usb/hcd-ehci-pci.c +++ b/hw/usb/hcd-ehci-pci.c @@ -95,10 +95,8 @@ static void usb_ehci_pci_exit(PCIDevice *dev) usb_ehci_unrealize(s, DEVICE(dev), NULL); - if (s->irq) { - g_free(s->irq); - s->irq = NULL; - } + g_free(s->irq); + s->irq = NULL; } static void usb_ehci_pci_reset(DeviceState *dev) |