[PATCH] x86, microcode, AMD: Cocci spatch "memdup.spatch"

From: Thomas Meyer
Date: Sat Jun 01 2013 - 05:42:29 EST



Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -345,7 +345,7 @@ static int verify_and_add_patch(unsigned
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);
@@ -353,7 +353,6 @@ static int verify_and_add_patch(unsigned
}

/* 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;


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