amd64_edac: Correct scrub rate setting

Exit early when setting scrub rate on unknown/unsupported families.

Cc: <stable@kernel.org> # 32.x 33.x 34.x
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Doug Thompson <dougthompson@xmission.com>

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 4129aa0930cdb9035ae7452e93d4ed902b40c61c..cdf457925f03287777b065b3f281a433b782afaa 100644 (file)
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -178,7 +178,7 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 *bandwidth)
 
        default:
                amd64_printk(KERN_ERR, "Unsupported family!\n");
-               break;
+               return -EINVAL;
        }
        return amd64_search_set_scrub_rate(pvt->misc_f3_ctl, *bandwidth,
                        min_scrubrate);