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x86, microcode, AMD: Replace vmalloc+memset with vzalloc

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We don't have to do memset() ourselves after vmalloc() when we have
vzalloc(), so change that in
arch/x86/kernel/microcode_amd.c::get_next_ucode().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Jesper Juhl
2010-11-01 22:44:34 +01:00
committed by Borislav Petkov
parent f6614b7bb4
commit 1ea6be212e
1 changed files with 10 additions and 9 deletions
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19
arch/x86/kernel/microcode_amd.c
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@@ -183,16 +183,17 @@ get_next_ucode(const u8 *buf, unsigned int size, unsigned int *mc_size)
return NULL; return NULL;
} }
mc = vmalloc(UCODE_MAX_SIZE); mc = vzalloc(UCODE_MAX_SIZE);
if (mc) { if (!mc)
memset(mc, 0, UCODE_MAX_SIZE); return NULL;
if (get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR,
total_size)) { if (get_ucode_data(mc, buf + UCODE_CONTAINER_SECTION_HDR, total_size)) {
vfree(mc); vfree(mc);
mc = NULL; mc = NULL;
} else } else {
*mc_size = total_size + UCODE_CONTAINER_SECTION_HDR; *mc_size = total_size + UCODE_CONTAINER_SECTION_HDR;
} }
return mc; return mc;
} }