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Commit 723c9527 authored by Surajit Podder's avatar Surajit Podder Committed by Gerrit - the friendly Code Review server
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msm: vidc: Set file private data to NULL on close 



Set file private data to NULL on closing instance
to avoid invalid access after close.

Change-Id: I447791463d9dbe32e25237256589bb07be2c3a32
Signed-off-by: default avatarSurajit Podder <spodder@codeaurora.org>
parent 8cf0b1c9

drivers/media/platform/msm/vidc/msm_v4l2_vidc.c

+4 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -39,6 +39,8 @@ struct msm_vidc_drv *vidc_driver; 


static inline struct msm_vidc_inst *get_vidc_inst(struct file *filp, void *fh)

{

	if (!filp->private_data)

		return NULL;

	return container_of(filp->private_data,

					struct msm_vidc_inst, event_handler);

}
@@ -74,6 +76,7 @@ static int msm_v4l2_close(struct file *filp) 
	vidc_inst = get_vidc_inst(filp, NULL);



	rc = msm_vidc_close(vidc_inst);

	filp->private_data = NULL;

	trace_msm_v4l2_vidc_close_end("msm_v4l2_close end");

	return rc;

}