From c773f70015f6f07f4abe93b486da7f53fde6e878 Mon Sep 17 00:00:00 2001
From: Peter Rosin <peda@axentia.se>
Date: Thu, 20 Apr 2017 23:01:57 +0200
Subject: [PATCH] iio: inkern: fix a static checker error
Git-commit: c773f70015f6f07f4abe93b486da7f53fde6e878
Patch-mainline: v4.13-rc1
References: bsc#1051510
Avoid this smatch error:
drivers/iio/inkern.c:751 iio_read_avail_channel_raw() error: double unlock 'mutex:&chan->indio_dev->info_exist_lock'
Fixes: 00c5f80c2fad ("iio: inkern: add helpers to query available values from channels")
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/iio/inkern.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -750,11 +750,9 @@ int iio_read_avail_channel_raw(struct ii
err_unlock:
mutex_unlock(&chan->indio_dev->info_exist_lock);
- if (ret >= 0 && type != IIO_VAL_INT) {
+ if (ret >= 0 && type != IIO_VAL_INT)
/* raw values are assumed to be IIO_VAL_INT */
ret = -EINVAL;
- goto err_unlock;
- }
return ret;
}