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media: rockchip: ispp: fix null of work event buffer

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Change-Id: I7a03942c696a5f180d51fc255eb39d704ce2ac97
Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
2020-07-10 10:33:39 +08:00
committed by Tao Huang
parent 7bfad24204
commit 373af0e7a7
1 changed files with 5 additions and 4 deletions
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9
drivers/media/platform/rockchip/ispp/ispp.c
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@@ -271,12 +271,14 @@ static int rkispp_sd_s_stream(struct v4l2_subdev *sd, int on)
v4l2_dbg(1, rkispp_debug, &ispp_sdev->dev->v4l2_dev,
"s_stream on:%d\n", on);
if (on)
ispp_sdev->state = ISPP_START;
ret = v4l2_subdev_call(ispp_sdev->remote_sd,
video, s_stream, on);
if (!ret)
ispp_sdev->state = on;
if ((on && ret) || (!on && !ret))
if ((on && ret) || (!on && !ret)) {
ispp_sdev->state = ISPP_STOP;
rkispp_free_pool(&dev->stream_vdev);
}
return ret;
}
@@ -413,7 +415,6 @@ static int rkispp_sd_s_power(struct v4l2_subdev *sd, int on)
v4l2_err(&ispp_dev->v4l2_dev,
"%s runtime put failed:%d\n",
__func__, ret);
ispp_sdev->state = ISPP_STOP;
}
return ret;