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authorIngo Molnar <mingo@elte.hu>2009-11-15 09:50:38 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-15 09:50:41 +0100
commit39dc78b6510323848e3356452f7dab9499736978 (patch)
treecf8a8fede74e41b203fd00e3ccd21ead2e851442 /arch/x86/kernel/microcode_amd.c
parent4c49b12853fbb5eff4849b7b6a1e895776f027a1 (diff)
parent156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff)
downloadop-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.zip
op-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.tar.gz
Merge commit 'v2.6.32-rc7' into perf/core
Merge reason: pick up perf fixlets Signed-off-by: Ingo Molnar <mingo@elte.hu>
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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