| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 093/144] media: rcar_jpu: Add missing clk_disable_unprepare() on error in jpu_open() | Date | Wed, 1 Aug 2018 18:52:00 +0200 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
[ 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> --- 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 @@ -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:
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