Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
---

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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