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Subject: [media] em28xx: fix incorrect s_ctrl error code and wrong call to res_free Author: Hans Verkuil <hverk...@xs4all.nl> Date: Wed Dec 29 14:28:13 2010 -0300 Calling subdevs to handle s_ctrl returned a non-zero return code even if everything went fine. Calling STREAMOFF if no STREAMON happened earlier would hit a BUG_ON in res_free. Signed-off-by: Hans Verkuil <hverk...@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com> drivers/media/video/em28xx/em28xx-video.c | 14 +++++++++----- 1 files changed, 9 insertions(+), 5 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=878251fd25f7d88788636cccc7e916249fc8ba76 diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 7be9bba..37b48a2 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1434,7 +1434,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, /* It isn't an AC97 control. Sends it to the v4l2 dev interface */ if (rc == 1) { - v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); + rc = v4l2_device_call_until_err(&dev->v4l2_dev, 0, core, s_ctrl, ctrl); /* * In the case of non-AC97 volume controls, we still need @@ -1708,11 +1708,15 @@ static int vidioc_streamoff(struct file *file, void *priv, fh, type, fh->resources, dev->resources); if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - videobuf_streamoff(&fh->vb_vidq); - res_free(fh, EM28XX_RESOURCE_VIDEO); + if (res_check(fh, EM28XX_RESOURCE_VIDEO)) { + videobuf_streamoff(&fh->vb_vidq); + res_free(fh, EM28XX_RESOURCE_VIDEO); + } } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - videobuf_streamoff(&fh->vb_vbiq); - res_free(fh, EM28XX_RESOURCE_VBI); + if (res_check(fh, EM28XX_RESOURCE_VBI)) { + videobuf_streamoff(&fh->vb_vbiq); + res_free(fh, EM28XX_RESOURCE_VBI); + } } return 0; _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
