linux-kernel - [PATCH 4.9 021/223] media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.

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Message-Id: <20190802092240.428275659@linuxfoundation.org>
Date:   Fri,  2 Aug 2019 11:34:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Shailendra Verma <shailendra.v@...sung.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 021/223] media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.

[ Upstream commit 6995a659101bd4effa41cebb067f9dc18d77520d ]

Fix to avoid possible memory leak if the decoder initialization
got failed.Free the allocated memory for file handle object
before return in case decoder initialization fails.

Signed-off-by: Shailendra Verma <shailendra.v@...sung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/media/davinci_vpfe/vpfe_video.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 89dd6b989254..e0440807b4ed 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -423,6 +423,9 @@ static int vpfe_open(struct file *file)
 	/* If decoder is not initialized. initialize it */
 	if (!video->initialized && vpfe_update_pipe_state(video)) {
 		mutex_unlock(&video->lock);
+		v4l2_fh_del(&handle->vfh);
+		v4l2_fh_exit(&handle->vfh);
+		kfree(handle);
 		return -ENODEV;
 	}
 	/* Increment device users counter */
-- 
2.20.1