| From | Andrzej Hajda <> | Subject | [PATCH 07/31] arch/x86/microcode: use kmemdup rather than duplicating its implementation | Date | Fri, 07 Aug 2015 09:59:13 +0200 |
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The patch was generated using fixed coccinelle semantic patch scripts/coccinelle/api/memdup.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> --- arch/x86/kernel/cpu/microcode/amd.c | 4 +--- arch/x86/kernel/cpu/microcode/intel_early.c | 4 +--- 2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index c7d2415..be37f10 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -366,15 +366,13 @@ 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; diff --git a/arch/x86/kernel/cpu/microcode/intel_early.c b/arch/x86/kernel/cpu/microcode/intel_early.c index 37ea89c..3f843f1 100644 --- a/arch/x86/kernel/cpu/microcode/intel_early.c +++ b/arch/x86/kernel/cpu/microcode/intel_early.c @@ -207,13 +207,11 @@ save_microcode(struct mc_saved_data *mc_saved_data, mc_hdr = &mc->hdr; size = get_totalsize(mc_hdr); - saved_ptr[i] = kmalloc(size, GFP_KERNEL); + saved_ptr[i] = kmemdup(mc, size, GFP_KERNEL); if (!saved_ptr[i]) { ret = -ENOMEM; goto err; } - - memcpy(saved_ptr[i], mc, size); } /* -- 1.9.1
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