bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
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>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 846bc29..0cfcb39 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -342,13 +342,13 @@
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;
}