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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-08-04 09:28:25 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-08-04 09:28:25 -0300 |
| commit | e465ad8685774c7c9a2cf71e9d196b7aaa8cae35 (patch) | |
| tree | b1f83dd9bf6f9447f4f1491b6974315b5bc99ee9 /linux/drivers/media/video/bt8xx | |
| parent | 4be14b5602f1f21b6e2a436f240a12797888ae48 (diff) | |
| parent | c8b5c505811fd4797e0ea35bcc60478d626a0971 (diff) | |
| download | mediapointer-dvb-s2-e465ad8685774c7c9a2cf71e9d196b7aaa8cae35.tar.gz mediapointer-dvb-s2-e465ad8685774c7c9a2cf71e9d196b7aaa8cae35.tar.bz2 | |
merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-bkl
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/video/bt8xx')
| -rw-r--r-- | linux/drivers/media/video/bt8xx/bttv-driver.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/linux/drivers/media/video/bt8xx/bttv-driver.c b/linux/drivers/media/video/bt8xx/bttv-driver.c index 40f8a0332..d5cb13e40 100644 --- a/linux/drivers/media/video/bt8xx/bttv-driver.c +++ b/linux/drivers/media/video/bt8xx/bttv-driver.c @@ -3248,6 +3248,7 @@ static int bttv_open(struct inode *inode, struct file *file) dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); + lock_kernel(); for (i = 0; i < bttv_num; i++) { if (bttvs[i].video_dev && bttvs[i].video_dev->minor == minor) { @@ -3262,16 +3263,20 @@ static int bttv_open(struct inode *inode, struct file *file) break; } } - if (NULL == btv) + if (NULL == btv) { + unlock_kernel(); return -ENODEV; + } dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", btv->c.nr,v4l2_type_names[type]); /* allocate per filehandle data */ fh = kmalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; *fh = btv->init; fh->type = type; @@ -3311,6 +3316,7 @@ static int bttv_open(struct inode *inode, struct file *file) bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); bttv_field_count(btv); + unlock_kernel(); return 0; } @@ -3451,21 +3457,26 @@ static int radio_open(struct inode *inode, struct file *file) dprintk("bttv: open minor=%d\n",minor); + lock_kernel(); for (i = 0; i < bttv_num; i++) { if (bttvs[i].radio_dev->minor == minor) { btv = &bttvs[i]; break; } } - if (NULL == btv) + if (NULL == btv) { + unlock_kernel(); return -ENODEV; + } dprintk("bttv%d: open called (radio)\n",btv->c.nr); /* allocate per filehandle data */ fh = kmalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; *fh = btv->init; v4l2_prio_open(&btv->prio, &fh->prio); @@ -3478,6 +3489,7 @@ static int radio_open(struct inode *inode, struct file *file) audio_input(btv,TVAUDIO_INPUT_RADIO); mutex_unlock(&btv->lock); + unlock_kernel(); return 0; } |