4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> [ 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@xxxxxxxxxxxxxxxxx> Acked-by: Mikhail Ulyanov <mikhail.ulyanov@xxxxxxxxxxxxxxxxxx> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> Signed-off-by: Hans Verkuil <hansverk@xxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/media/platform/rcar_jpu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/media/platform/rcar_jpu.c +++ b/drivers/media/platform/rcar_jpu.c @@ -1278,7 +1278,7 @@ 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++; @@ -1286,6 +1286,8 @@ 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: