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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2016-07-12 14:21:46 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-03 08:50:35 +0300
commitadf9ceabfc168c26c83e7160103aa752c136cc1b (patch)
tree20d9aa660dd80f03eee9ef48691556260ef2ee02 /drivers/media
parent240bc678f72629b9bf420d7dd75462fdcb70b2a8 (diff)
downloadlinux-adf9ceabfc168c26c83e7160103aa752c136cc1b.tar.xz
media: rcar_jpu: Add missing clk_disable_unprepare() on error in jpu_open()
[ Upstream commit 43d0d3c52787df0221d1c52494daabd824fe84f1 ] Add the missing clk_disable_unprepare() before return from jpu_open() in the software reset error handling case. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Mikhail Ulyanov <mikhail.ulyanov@cogentembedded.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/rcar_jpu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/platform/rcar_jpu.c b/drivers/media/platform/rcar_jpu.c
index 070bac36d766..2e2b8c409150 100644
--- a/drivers/media/platform/rcar_jpu.c
+++ b/drivers/media/platform/rcar_jpu.c
@@ -1280,7 +1280,7 @@ static int jpu_open(struct file *file)
/* ...issue software reset */
ret = jpu_reset(jpu);
if (ret)
- goto device_prepare_rollback;
+ goto jpu_reset_rollback;
}
jpu->ref_count++;
@@ -1288,6 +1288,8 @@ static int jpu_open(struct file *file)
mutex_unlock(&jpu->mutex);
return 0;
+jpu_reset_rollback:
+ clk_disable_unprepare(jpu->clk);
device_prepare_rollback:
mutex_unlock(&jpu->mutex);
v4l_prepare_rollback: