linux-kernel - [PATCH] media: fix secfeed undefined when filter alloc fail

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Message-Id: <20221201052705.2313911-1-standback@126.com>
Date:   Thu,  1 Dec 2022 13:27:05 +0800
From:   "jieqing.wang" <standback@....com>
To:     mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        jason_wang@...lsil.com.cn, "jieqing.wang" <standback@....com>
Subject: [PATCH] media: fix secfeed undefined when filter alloc fail

  In dvb_dmxdev_filter_start, when secfeed allocate secfilter fail.
  the secfeed of current dmxfilter, need set to NULL;
  Instead of call start_filtering, which already handled in
  dvb_dmxdev_feed_restart

Signed-off-by: jieqing.wang <standback@....com>
---
 drivers/media/dvb-core/dmxdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index f6ee678107d3..f7928cb16266 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -731,7 +731,7 @@ static int dvb_dmxdev_filter_start(struct dmxdev_filter *filter)
 		ret = (*secfeed)->allocate_filter(*secfeed, secfilter);
 		if (ret < 0) {
 			dvb_dmxdev_feed_restart(filter);
-			filter->feed.sec->start_filtering(*secfeed);
+			*secfeed = NULL;
 			dprintk("could not get filter\n");
 			return ret;
 		}
-- 
2.25.1