diff options
| author | rmcc@localhost.localdomain <rmcc@localhost.localdomain> | 2006-05-18 16:06:06 +0100 |
|---|---|---|
| committer | rmcc@localhost.localdomain <rmcc@localhost.localdomain> | 2006-05-18 16:06:06 +0100 |
| commit | aad2e973e44590acd4c1b55dd32eadad842e7fdb (patch) | |
| tree | de152190bd763eb849cf2952cfb468169f3881ba /linux/drivers/media/dvb/dvb-core/dmxdev.c | |
| parent | f637ab4e875bd28b68bbd4d776c2071683050b5c (diff) | |
| parent | 122bd90fa6f72e1366146662e7fb9a6581aab68e (diff) | |
| download | mediapointer-dvb-s2-aad2e973e44590acd4c1b55dd32eadad842e7fdb.tar.gz mediapointer-dvb-s2-aad2e973e44590acd4c1b55dd32eadad842e7fdb.tar.bz2 | |
merge: from master
From: Ricardo Cerqueira <v4l@cerqueira.org>
merging master changes
Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Diffstat (limited to 'linux/drivers/media/dvb/dvb-core/dmxdev.c')
| -rw-r--r-- | linux/drivers/media/dvb/dvb-core/dmxdev.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/linux/drivers/media/dvb/dvb-core/dmxdev.c b/linux/drivers/media/dvb/dvb-core/dmxdev.c index 09e96e9dd..988499dfd 100644 --- a/linux/drivers/media/dvb/dvb-core/dmxdev.c +++ b/linux/drivers/media/dvb/dvb-core/dmxdev.c @@ -141,12 +141,18 @@ static int dvb_dvr_open(struct inode *inode, struct file *file) } if ((file->f_flags & O_ACCMODE) == O_RDONLY) { - void *mem = vmalloc(DVR_BUFFER_SIZE); + void *mem; + if (!dvbdev->readers) { + mutex_unlock(&dmxdev->mutex); + return -EBUSY; + } + mem = vmalloc(DVR_BUFFER_SIZE); if (!mem) { mutex_unlock(&dmxdev->mutex); return -ENOMEM; } dvb_ringbuffer_init(&dmxdev->dvr_buffer, mem, DVR_BUFFER_SIZE); + dvbdev->readers--; } if ((file->f_flags & O_ACCMODE) == O_WRONLY) { @@ -184,6 +190,7 @@ static int dvb_dvr_release(struct inode *inode, struct file *file) dmxdev->dvr_orig_fe); } if ((file->f_flags & O_ACCMODE) == O_RDONLY) { + dvbdev->readers++; if (dmxdev->dvr_buffer.data) { void *mem = dmxdev->dvr_buffer.data; mb(); @@ -865,9 +872,6 @@ static int dvb_demux_do_ioctl(struct inode *inode, struct file *file, mutex_unlock(&dmxdevfilter->mutex); break; - case DMX_GET_EVENT: - break; - case DMX_GET_PES_PIDS: if (!dmxdev->demux->get_pes_pids) { ret = -EINVAL; @@ -1029,8 +1033,7 @@ static struct file_operations dvb_dvr_fops = { static struct dvb_device dvbdev_dvr = { .priv = NULL, - .users = 1, - .writers = 1, + .readers = 1, .fops = &dvb_dvr_fops }; |