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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
commit467832032cc07626880363efa8625719c16c04eb (patch)
treeee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /arch/x86/kernel/microcode_amd.c
parent66d2a5952eab875f1286e04f738ef029afdaf013 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge commit 'v2.6.32' into next
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);