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Commit 5b89d2f9 authored by Borislav Petkov's avatar Borislav Petkov
Browse files

edac, mce: Filter out invalid values 



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

Cc: <stable@kernel.org> # .32.x .33.x
Signed-off-by: default avatarBorislav Petkov <borislav.petkov@amd.com>
parent 220bf991

drivers/edac/edac_mce_amd.c

+6 −1
Original line number Diff line number Diff line
@@ -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));