diff options
Diffstat (limited to 'linux/drivers/media/video/cx23885')
| -rw-r--r-- | linux/drivers/media/video/cx23885/cx23885-417.c | 10 | ||||
| -rw-r--r-- | linux/drivers/media/video/cx23885/cx23885-video.c | 10 |
2 files changed, 16 insertions, 4 deletions
diff --git a/linux/drivers/media/video/cx23885/cx23885-417.c b/linux/drivers/media/video/cx23885/cx23885-417.c index a8ca3bd9f..106b594ed 100644 --- a/linux/drivers/media/video/cx23885/cx23885-417.c +++ b/linux/drivers/media/video/cx23885/cx23885-417.c @@ -1591,6 +1591,7 @@ static int mpeg_open(struct inode *inode, struct file *file) dprintk(2, "%s()\n", __func__); + lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); if (h->v4l_device->minor == minor) { @@ -1599,13 +1600,17 @@ static int mpeg_open(struct inode *inode, struct file *file) } } - if (dev == NULL) + if (dev == NULL) { + unlock_kernel(); return -ENODEV; + } /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; @@ -1616,6 +1621,7 @@ static int mpeg_open(struct inode *inode, struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct cx23885_buffer), fh); + unlock_kernel(); return 0; } diff --git a/linux/drivers/media/video/cx23885/cx23885-video.c b/linux/drivers/media/video/cx23885/cx23885-video.c index 3f1765de0..98a7dc1c0 100644 --- a/linux/drivers/media/video/cx23885/cx23885-video.c +++ b/linux/drivers/media/video/cx23885/cx23885-video.c @@ -787,6 +787,7 @@ static int video_open(struct inode *inode, struct file *file) enum v4l2_buf_type type = 0; int radio = 0; + lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); if (h->video_dev->minor == minor) { @@ -804,16 +805,20 @@ static int video_open(struct inode *inode, struct file *file) dev = h; } } - if (NULL == dev) + if (NULL == dev) { + unlock_kernel(); return -ENODEV; + } dprintk(1, "open minor=%d radio=%d type=%s\n", minor, radio, v4l2_type_names[type]); /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -846,6 +851,7 @@ static int video_open(struct inode *inode, struct file *file) AUDC_SET_RADIO, NULL); } #endif + unlock_kernel(); return 0; } |