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From: Adrian Bunk <bunk@kernel.org>
To: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Jeff Garzik <jeff@garzik.org>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [2.6 patch] pata_cs5536.c: fix array overrun
Date: Thu, 18 Oct 2007 12:51:32 +0200	[thread overview]
Message-ID: <20071018105132.GI3778@stusta.de> (raw)

This patch fixes an obvious array overrun spotted by the Coverity 
checker.

Signed-off-by: Adrian Bunk <bunk@kernel.org>

---
9101f2e2691094244bd147a05225f6c84bdf7404 
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 53070f6..00039a1 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -214,7 +214,7 @@ static void cs5536_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 		cs5536_read(pdev, DTC, &dtc);
 
 		dtc &= ~(IDE_DRV_MASK << dshift);
-		dtc |= mwdma_timings[mode] << dshift;
+		dtc |= mwdma_timings[mode - XFER_MW_DMA_0] << dshift;
 
 		cs5536_write(pdev, DTC, dtc);
 	}


             reply	other threads:[~2007-10-18 10:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-18 10:51 Adrian Bunk [this message]
2007-10-18 16:36 ` [2.6 patch] pata_cs5536.c: fix array overrun Martin K. Petersen

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