linux-kernel - [PATCH v2] vim2m: Clean up file handle in open() error path.

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Date:   Mon, 19 Dec 2016 21:42:46 +0530
From:   Santosh Kumar Singh <kumar.san1093@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Santosh Kumar Singh <kumar.san1093@...il.com>
Subject: [PATCH v2] vim2m: Clean up file handle in open() error path.

Fix to avoid possible memory leak and exit file handle
in error paths.

Signed-off-by: Santosh Kumar Singh <kumar.san1093@...il.com>
---
 drivers/media/platform/vim2m.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index a98f679..9fd24b8 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -907,6 +907,7 @@ static int vim2m_open(struct file *file)
 	if (hdl->error) {
 		rc = hdl->error;
 		v4l2_ctrl_handler_free(hdl);
+		kfree(ctx);
 		goto open_unlock;
 	}
 	ctx->fh.ctrl_handler = hdl;
@@ -929,6 +930,7 @@ static int vim2m_open(struct file *file)
 
 		v4l2_ctrl_handler_free(hdl);
+		v4l2_fh_exit(&ctx->fh);
 		kfree(ctx);
 		goto open_unlock;
 	}
 
-- 
1.9.1