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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-12-04 14:59:47 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-04 14:59:47 +0000
commit5cb2faa6ede7ada9cb2bffc832c4ce60f53d6834 (patch)
tree7b72b66081d042a41dc822575503133364857ce2 /arch/x86/kernel/microcode_amd.c
parente0ee98513d1a2e24d2ddbdecf4216bcca29d1158 (diff)
parent6060e8df517847bf445ebc61de7d4d9c7faae990 (diff)
Merge branch 'pending-misc' (early part) into devel
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 366baa17991..f4c538b681c 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);