linux-kernel - [PATCH] Staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.

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Date:   Fri, 25 Nov 2016 10:27:34 +0530
From:   Shailendra Verma <shailendra.v@...sung.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Shailendra Verma <shailendra.v@...sung.com>,
        Shailendra Verma <shailendra.capricorn@...il.com>
Cc:     vidushi.koul@...sung.com
Subject: [PATCH] Staging: media: davinci_vpfe: - Fix for memory leak if decoder
 initialization fails.

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>
---
 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 8be9f85..4215445 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 */
-- 
1.7.9.5