From 5b89d2f9ace1970324facc68ca9b8fae19ce8096 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Tue, 9 Mar 2010 20:38:48 +0100 Subject: [PATCH] edac, mce: Filter out invalid values Print the CPU associated with the error only when the field is valid. Cc: # .32.x .33.x Signed-off-by: Borislav Petkov --- drivers/edac/edac_mce_amd.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c index 8fc91a01962..f5b6d9fe4de 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)); -- 2.20.1