From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Tue, 03 Nov 2015 22:02:44 +0000 Subject: [patch] bus: sunxi-rsb: unlock on error in sunxi_rsb_read() Message-Id: <20151103220244.GA19280@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org Don't forget to unlock before returning an error code. Fixes: d787dcdb9c8f ('bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus') Signed-off-by: Dan Carpenter diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index 846bc29c..0cfcb39 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -342,13 +342,13 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr, ret = _sunxi_rsb_run_xfer(rsb); if (ret) - goto out; + goto unlock; *buf = readl(rsb->regs + RSB_DATA); +unlock: mutex_unlock(&rsb->lock); -out: return ret; }