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edac, mce: Filter out invalid values

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Print the CPU associated with the error only when the field is valid.

Cc: <stable@kernel.org> # .32.x .33.x
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Borislav Petkov 2010-03-09 20:38:48 +01:00
parent 220bf991b0
commit 5b89d2f9ac
1 changed files with 6 additions and 1 deletions
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7
drivers/edac/edac_mce_amd.c
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@ -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));