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: v2.6.36-rc1~573^2~3
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=bc57117856cf1e581135810b37d3b75f9d1749f5;p=net-next-2.6.git

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 4129aa0930c..cdf457925f0 100644
--- 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);