[coreboot-gerrit] Patch set updated for coreboot: 73125e1 Don't attempt to use null pointer (happens when no cpu_microcode_blob.bin is available) as microcode update
Vladimir Serbinenko (phcoder@gmail.com)
gerrit at coreboot.org
Sat Mar 30 13:11:49 CET 2013
Vladimir Serbinenko (phcoder at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2990
-gerrit
commit 73125e1648e82f9b0cbe3c5e6c40a7aa3a798995
Author: Vladimir Serbinenko <phcoder at gmail.com>
Date: Sat Mar 30 12:04:23 2013 +0100
Don't attempt to use null pointer (happens when no cpu_microcode_blob.bin is available) as microcode update
Change-Id: I6e18fd37256910bf047061e4633a66cf29ad7b69
Signed-off-by: Vladimir Serbinenko <phcoder at gmail.com>
---
src/cpu/intel/microcode/microcode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/cpu/intel/microcode/microcode.c b/src/cpu/intel/microcode/microcode.c
index d908c25..327559b 100644
--- a/src/cpu/intel/microcode/microcode.c
+++ b/src/cpu/intel/microcode/microcode.c
@@ -202,6 +202,9 @@ void intel_update_microcode(const void *microcode_updates)
const char *c;
msr_t msr;
+ if (!microcode_updates)
+ return;
+
/* CPUID sets MSR 0x8B iff a microcode update has been loaded. */
msr.lo = 0;
msr.hi = 0;
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