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| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-02-16 09:43:20 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-17 08:46:08 +0100 |
| commit | 9cc6f743c7724eb9abaf27904194c169db85dd31 (patch) | |
| tree | 32b04343260aeddaa3547e1c12f7c23bb50c2cd3 /arch/x86/kernel/cpu/microcode/amd.c | |
| parent | 84aba677f009e20185aea322563389ad56e0ef7e (diff) | |
| download | linux-stable-9cc6f743c7724eb9abaf27904194c169db85dd31.tar.gz linux-stable-9cc6f743c7724eb9abaf27904194c169db85dd31.tar.bz2 linux-stable-9cc6f743c7724eb9abaf27904194c169db85dd31.zip | |
x86/microcode: Use kmemdup() rather than duplicating its implementation
The patch was generated using fixed coccinelle semantic patch
scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1455612202-14414-3-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/amd.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index f66cbfe74ce4..e397fc160b05 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -788,15 +788,13 @@ static int verify_and_add_patch(u8 family, u8 *fw, unsigned int leftover) return -EINVAL; } - patch->data = kzalloc(patch_size, GFP_KERNEL); + patch->data = kmemdup(fw + SECTION_HDR_SIZE, patch_size, GFP_KERNEL); if (!patch->data) { pr_err("Patch data allocation failure.\n"); kfree(patch); return -EINVAL; } - /* All looks ok, copy patch... */ - memcpy(patch->data, fw + SECTION_HDR_SIZE, patch_size); INIT_LIST_HEAD(&patch->plist); patch->patch_id = mc_hdr->patch_id; patch->equiv_cpu = proc_id; |