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authorTakashi Iwai <tiwai@suse.de>2009-12-01 15:58:15 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-01 15:58:15 +0100
commitb00615d163cd24fa98d155acfc1f9d81d6fe1103 (patch)
treedde815788aaea3e336aaaf24763311ce63a22e1b /arch/x86/kernel/microcode_amd.c
parent75639e7ee1401b3876c7a00ffe96ea8027668690 (diff)
parentd6797322231af98b9bb4afb175dd614cf511e5f7 (diff)
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Merge branch 'topic/pcm-dma-fix' into topic/core-change
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);