From: Borislav Petkov <borislav.petkov@amd.com>
Date: Fri, 21 May 2010 19:25:03 +0000 (+0200)
Subject: amd64_edac: Correct scrub rate setting
X-Git-Tag: firefly_0821_release~10186^2~1257
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2b5b7a33f887c32a7506cd77ee21627a89c3e5a3;p=firefly-linux-kernel-4.4.55.git

amd64_edac: Correct scrub rate setting

commit bc57117856cf1e581135810b37d3b75f9d1749f5 upstream.

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

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 1c220dc62d89..2aa339e94968 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -156,7 +156,7 @@ 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);