linux-kernel - [PATCH] dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAPgLHd-RVCk=cqiOuTYdFzgTkEp25PrjqZ+Og4PdHG+1a8ayWA@mail.gmail.com>
Date:	Sun, 21 Oct 2012 19:58:30 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	djbw@...com, vinod.koul@...el.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Add the missing unlock on the error handling path in function
imxdma_xfer_desc().

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/dma/imx-dma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index f11b5b2..7d9554c 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -474,8 +474,10 @@ static int imxdma_xfer_desc(struct imxdma_desc *d)
 			slot = i;
 			break;
 		}
-		if (slot < 0)
+		if (slot < 0) {
+			spin_unlock_irqrestore(&imxdma->lock, flags);
 			return -EBUSY;
+		}
 
 		imxdma->slots_2d[slot].xsr = d->x;
 		imxdma->slots_2d[slot].ysr = d->y;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/