From: Dan Carpenter <dan.carpenter@oracle.com>
To: linux-arm-kernel@lists.infradead.org
Subject: [patch] bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
Date: Tue, 03 Nov 2015 22:02:44 +0000 [thread overview]
Message-ID: <20151103220244.GA19280@mwanda> (raw)
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 <dan.carpenter@oracle.com>
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;
}
WARNING: multiple messages have this Message-ID (diff)
From: dan.carpenter@oracle.com (Dan Carpenter)
To: linux-arm-kernel@lists.infradead.org
Subject: [patch] bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
Date: Wed, 4 Nov 2015 01:02:44 +0300 [thread overview]
Message-ID: <20151103220244.GA19280@mwanda> (raw)
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 <dan.carpenter@oracle.com>
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;
}
next reply other threads:[~2015-11-03 22:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-03 22:02 Dan Carpenter [this message]
2015-11-03 22:02 ` [patch] bus: sunxi-rsb: unlock on error in sunxi_rsb_read() Dan Carpenter
2015-11-04 12:19 ` walter harms
2015-11-04 12:19 ` walter harms
2015-11-04 12:34 ` Julia Lawall
2015-11-04 12:34 ` Julia Lawall
2015-11-04 12:46 ` Dan Carpenter
2015-11-04 12:46 ` Dan Carpenter
2015-11-04 15:28 ` Chen-Yu Tsai
2015-11-04 15:28 ` Chen-Yu Tsai
2015-11-04 15:51 ` Maxime Ripard
2015-11-04 15:51 ` Maxime Ripard
2015-11-04 21:22 ` walter harms
2015-11-05 6:07 ` Dan Carpenter
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