Use g_new() & friends where that makes obvious sense

g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).

Patch created mechanically with:

    $ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \
	     --macro-file scripts/cocci-macro-file.h FILES...

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20220315144156.1595462-4-armbru@redhat.com>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>

6 files changed, 9 insertions, 9 deletions

diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c
index 37b7c562f5..e254d8ba10 100644
--- a/target/i386/cpu-sysemu.c
+++ b/target/i386/cpu-sysemu.c
@@ -313,7 +313,7 @@ GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs)
     GuestPanicInformation *panic_info = NULL;
 
     if (hyperv_feat_enabled(cpu, HYPERV_FEAT_CRASH)) {
-        panic_info = g_malloc0(sizeof(GuestPanicInformation));
+        panic_info = g_new0(GuestPanicInformation, 1);
 
         panic_info->type = GUEST_PANIC_INFORMATION_TYPE_HYPER_V;
 
diff --git a/target/i386/hax/hax-accel-ops.c b/target/i386/hax/hax-accel-ops.c
index 136630e9b2..18114fe34d 100644
--- a/target/i386/hax/hax-accel-ops.c
+++ b/target/i386/hax/hax-accel-ops.c
@@ -61,8 +61,8 @@ static void hax_start_vcpu_thread(CPUState *cpu)
 {
     char thread_name[VCPU_THREAD_NAME_SIZE];
 
-    cpu->thread = g_malloc0(sizeof(QemuThread));
-    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    cpu->thread = g_new0(QemuThread, 1);
+    cpu->halt_cond = g_new0(QemuCond, 1);
     qemu_cond_init(cpu->halt_cond);
 
     snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HAX",
diff --git a/target/i386/nvmm/nvmm-accel-ops.c b/target/i386/nvmm/nvmm-accel-ops.c
index f788f75289..6c46101ac1 100644
--- a/target/i386/nvmm/nvmm-accel-ops.c
+++ b/target/i386/nvmm/nvmm-accel-ops.c
@@ -64,8 +64,8 @@ static void nvmm_start_vcpu_thread(CPUState *cpu)
 {
     char thread_name[VCPU_THREAD_NAME_SIZE];
 
-    cpu->thread = g_malloc0(sizeof(QemuThread));
-    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    cpu->thread = g_new0(QemuThread, 1);
+    cpu->halt_cond = g_new0(QemuCond, 1);
     qemu_cond_init(cpu->halt_cond);
     snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/NVMM",
              cpu->cpu_index);
diff --git a/target/i386/whpx/whpx-accel-ops.c b/target/i386/whpx/whpx-accel-ops.c
index 1d30e4e2ed..dd2a9f7657 100644
--- a/target/i386/whpx/whpx-accel-ops.c
+++ b/target/i386/whpx/whpx-accel-ops.c
@@ -64,8 +64,8 @@ static void whpx_start_vcpu_thread(CPUState *cpu)
 {
     char thread_name[VCPU_THREAD_NAME_SIZE];
 
-    cpu->thread = g_malloc0(sizeof(QemuThread));
-    cpu->halt_cond = g_malloc0(sizeof(QemuCond));
+    cpu->thread = g_new0(QemuThread, 1);
+    cpu->halt_cond = g_new0(QemuCond, 1);
     qemu_cond_init(cpu->halt_cond);
     snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/WHPX",
              cpu->cpu_index);
diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c
index ecddf0cb91..03ba52da89 100644
--- a/target/i386/whpx/whpx-all.c
+++ b/target/i386/whpx/whpx-all.c
@@ -1382,7 +1382,7 @@ int whpx_init_vcpu(CPUState *cpu)
         }
     }
 
-    vcpu = g_malloc0(sizeof(struct whpx_vcpu));
+    vcpu = g_new0(struct whpx_vcpu, 1);
 
     if (!vcpu) {
         error_report("WHPX: Failed to allocte VCPU context.");
diff --git a/target/s390x/cpu-sysemu.c b/target/s390x/cpu-sysemu.c
index 5471e01ee8..948e4bd3e0 100644
--- a/target/s390x/cpu-sysemu.c
+++ b/target/s390x/cpu-sysemu.c
@@ -76,7 +76,7 @@ static GuestPanicInformation *s390_cpu_get_crash_info(CPUState *cs)
     S390CPU *cpu = S390_CPU(cs);
 
     cpu_synchronize_state(cs);
-    panic_info = g_malloc0(sizeof(GuestPanicInformation));
+    panic_info = g_new0(GuestPanicInformation, 1);
 
     panic_info->type = GUEST_PANIC_INFORMATION_TYPE_S390;
     panic_info->u.s390.core = cpu->env.core_id;