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[media] mtk-mdp: fix double mutex_unlock 

Fix smatch error:

media-git/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c:100 mtk_mdp_vpu_send_msg() error: double unlock 'mutex:&ctx->mdp_dev->vpulock'

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
hifive-unleashed-5.1
Hans Verkuil 2016-09-19 05:00:34 -03:00 committed by Mauro Carvalho Chehab
parent a0345caf7f
commit 669c6141ea
1 changed files with 1 additions and 3 deletions
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4
drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
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@ -92,11 +92,9 @@ static int mtk_mdp_vpu_send_msg(void *msg, int len, struct mtk_mdp_vpu *vpu,
mutex_lock(&ctx->mdp_dev->vpulock);
err = vpu_ipi_send(vpu->pdev, (enum ipi_id)id, msg, len);
if (err) {
mutex_unlock(&ctx->mdp_dev->vpulock);
if (err)
dev_err(&ctx->mdp_dev->pdev->dev,
"vpu_ipi_send fail status %d\n", err);
}
mutex_unlock(&ctx->mdp_dev->vpulock);
return err;