linux-kernel - [PATCH] edac: fix buffer overrun if no suitable bandwidth found

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Message-ID: <1350919858-26202-1-git-send-email-kirjanov@gmail.com>
Date:	Mon, 22 Oct 2012 19:30:58 +0400
From:	Denis Kirjanov <kirjanov@...il.com>
To:	linux-edac@...r.kernel.org
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Denis Kirjanov <kirjanov@...il.com>
Subject: [PATCH] edac: fix buffer overrun if no suitable bandwidth found

fix buffer overrun if no suitable bandwidth found

Signed-off-by: Denis Kirjanov <kirjanov@...il.com>
---
 drivers/edac/amd64_edac.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 5a297a2..d85ad9e 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -188,6 +188,9 @@ static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate)
 		 * scrubrates array.
 		 */
 	}
+	if (i == ARRAY_SIZE(scrubrates)) {
+		i--;
+	}
 
 	scrubval = scrubrates[i].scrubval;
 
-- 
1.7.9.5

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