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[Qemu-devel] [PATCH 2/4] x86: Fuse g_malloc(); memset() into g_malloc0()
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH 2/4] x86: Fuse g_malloc(); memset() into g_malloc0() |
Date: |
Thu, 4 Dec 2014 14:46:44 +0100 |
Coccinelle semantic patch:
@@
expression LHS, SZ;
@@
- LHS = g_malloc(SZ);
- memset(LHS, 0, SZ);
+ LHS = g_malloc0(SZ);
Signed-off-by: Markus Armbruster <address@hidden>
---
target-i386/arch_dump.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/target-i386/arch_dump.c b/target-i386/arch_dump.c
index 0bbed23..eccd803 100644
--- a/target-i386/arch_dump.c
+++ b/target-i386/arch_dump.c
@@ -78,9 +78,7 @@ static int x86_64_write_elf64_note(WriteCoreDumpFunction f,
descsz = sizeof(x86_64_elf_prstatus);
note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
- note = g_malloc(note_size);
-
- memset(note, 0, note_size);
+ note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
@@ -159,9 +157,7 @@ static int x86_write_elf64_note(WriteCoreDumpFunction f,
CPUX86State *env,
descsz = sizeof(x86_elf_prstatus);
note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
- note = g_malloc(note_size);
-
- memset(note, 0, note_size);
+ note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
@@ -216,9 +212,7 @@ int x86_cpu_write_elf32_note(WriteCoreDumpFunction f,
CPUState *cs,
descsz = sizeof(x86_elf_prstatus);
note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
- note = g_malloc(note_size);
-
- memset(note, 0, note_size);
+ note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
@@ -345,9 +339,7 @@ static inline int cpu_write_qemu_note(WriteCoreDumpFunction
f,
}
note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
(descsz + 3) / 4) * 4;
- note = g_malloc(note_size);
-
- memset(note, 0, note_size);
+ note = g_malloc0(note_size);
if (type == 0) {
note32 = note;
note32->n_namesz = cpu_to_le32(name_size);
--
1.9.3
- [Qemu-devel] [PATCH 0/4] x86: Trivial cleanups around g_malloc(), Markus Armbruster, 2014/12/04
- [Qemu-devel] [PATCH 4/4] x86: Drop some superfluous casts from void *, Markus Armbruster, 2014/12/04
- [Qemu-devel] [PATCH 3/4] x86: Use g_new() & friends where that makes obvious sense, Markus Armbruster, 2014/12/04
- [Qemu-devel] [PATCH 2/4] x86: Fuse g_malloc(); memset() into g_malloc0(),
Markus Armbruster <=
- [Qemu-devel] [PATCH 1/4] x86: Drop superfluous conditionals around g_free(), Markus Armbruster, 2014/12/04
- Re: [Qemu-devel] [PATCH 0/4] x86: Trivial cleanups around g_malloc(), Eric Blake, 2014/12/05
- Re: [Qemu-devel] [PATCH 0/4] x86: Trivial cleanups around g_malloc(), Paolo Bonzini, 2014/12/05