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authorDan Williams <dan.j.williams@intel.com>2009-12-22 17:21:47 -0700
committerDan Williams <dan.j.williams@intel.com>2009-12-22 17:21:47 -0700
commitf80ca163d65903276bec7045a484a79c0897eb2d (patch)
tree97c7d61d43248b9db0757a76af80ff58b98b5599 /arch/x86/kernel/microcode_amd.c
parent0794ec8ce327ec74416b569b8fb1951274693700 (diff)
parenta6d52d70677e99bdb89b6921c265d0a58c22e597 (diff)
downloadop-kernel-dev-f80ca163d65903276bec7045a484a79c0897eb2d.zip
op-kernel-dev-f80ca163d65903276bec7045a484a79c0897eb2d.tar.gz
Merge branch 'ioat' into fixes
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
-rw-r--r--arch/x86/kernel/microcode_amd.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 366baa1..f4c538b 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -317,6 +317,12 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device)
return UCODE_NFOUND;
}
+ if (*(u32 *)firmware->data != UCODE_MAGIC) {
+ printk(KERN_ERR "microcode: invalid UCODE_MAGIC (0x%08x)\n",
+ *(u32 *)firmware->data);
+ return UCODE_ERROR;
+ }
+
ret = generic_load_microcode(cpu, firmware->data, firmware->size);
release_firmware(firmware);
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