From: Dan Carpenter <error27@gmail.com>
Date: Sat, 21 Aug 2010 08:43:25 +0000 (+0200)
Subject: [libata] sata_dwc_460ex: signdness bug
X-Git-Tag: v2.6.36-rc3~20^2~3
X-Git-Url: https://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=d26377b83972917cfb8f5bee193981aaa1130627

[libata] sata_dwc_460ex: signdness bug

dma_dwc_xfer_setup() returns an int and "dma_chan" needs to be signed
for the error handling to work.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 2673a3d1480..6cf57c5c2b5 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -1459,7 +1459,7 @@ static void sata_dwc_qc_prep_by_tag(struct ata_queued_cmd *qc, u8 tag)
 {
 	struct scatterlist *sg = qc->sg;
 	struct ata_port *ap = qc->ap;
-	u32 dma_chan;
+	int dma_chan;
 	struct sata_dwc_device *hsdev = HSDEV_FROM_AP(ap);
 	struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap);
 	int err;