[GIT PULL] edac_mce_amd fix for 2.6.34-rc3

[GIT PULL] edac_mce_amd fix for 2.6.34-rc3

[Borislav Petkov]

Hi Linus,

please pull the following small fix.

Thanks.

The following changes since commit 220bf991b0366cc50a94feede3d7341fa5710ee4:
  Linus Torvalds (1):
        Linux 2.6.34-rc2

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-linus

Borislav Petkov (1):
      edac, mce: Filter out invalid values

 drivers/edac/edac_mce_amd.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

---
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index 8fc91a0..f5b6d9f 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -316,7 +316,12 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
 		if (regs->nbsh & K8_NBSH_ERR_CPU_VAL)
 			pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf));
 	} else {
-		pr_cont(", core: %d\n", fls((regs->nbsh & 0xf) - 1));
+		u8 assoc_cpus = regs->nbsh & 0xf;
+
+		if (assoc_cpus > 0)
+			pr_cont(", core: %d", fls(assoc_cpus) - 1);
+
+		pr_cont("\n");
 	}
 
 	pr_emerg("%s.\n", EXT_ERR_MSG(xec));

-- 
Regards/Gruss,
Boris.

-
Advanced Micro Devices, Inc.
Operating Systems Research Center


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