linux-kernel - [PATCH v10 15/18] media: venus: vdec: fix compile error in vdec

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Message-Id: <1497284875-19999-16-git-send-email-stanimir.varbanov@linaro.org>
Date:   Mon, 12 Jun 2017 19:27:52 +0300
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH v10 15/18] media: venus: vdec: fix compile error in vdec_close

This fixes the following compile error ocured when building
with gcc7:

drivers/media/platform/qcom/venus/vdec.c:1022
vdec_close() error: dereferencing freed memory 'inst'

by moving kfree as a last call.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 drivers/media/platform/qcom/venus/vdec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 96e7e7e71e5f..594315b55b1f 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1017,9 +1017,10 @@ static int vdec_close(struct file *file)
 	mutex_destroy(&inst->lock);
 	v4l2_fh_del(&inst->fh);
 	v4l2_fh_exit(&inst->fh);
-	kfree(inst);
 
 	pm_runtime_put_sync(inst->core->dev_dec);
+
+	kfree(inst);
 	return 0;
 }
 
-- 
2.7.4