diff options
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/control.c | 5 | ||||
| -rw-r--r-- | sound/core/oss/mixer_oss.c | 5 | ||||
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 5 | ||||
| -rw-r--r-- | sound/core/pcm_native.c | 10 | ||||
| -rw-r--r-- | sound/core/rawmidi.c | 5 | ||||
| -rw-r--r-- | sound/core/seq/seq_clientmgr.c | 6 | ||||
| -rw-r--r-- | sound/core/timer.c | 6 |
7 files changed, 40 insertions, 2 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 439ce64f9d82..070aab490191 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -50,6 +50,10 @@ static int snd_ctl_open(struct inode *inode, struct file *file) struct snd_ctl_file *ctl; int err; + err = nonseekable_open(inode, file); + if (err < 0) + return err; + card = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_CONTROL); if (!card) { err = -ENODEV; @@ -1388,6 +1392,7 @@ static const struct file_operations snd_ctl_f_ops = .read = snd_ctl_read, .open = snd_ctl_open, .release = snd_ctl_release, + .llseek = no_llseek, .poll = snd_ctl_poll, .unlocked_ioctl = snd_ctl_ioctl, .compat_ioctl = snd_ctl_ioctl_compat, diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 54e2eb56e4c2..f50ebf20df96 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -43,6 +43,10 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file) struct snd_mixer_oss_file *fmixer; int err; + err = nonseekable_open(inode, file); + if (err < 0) + return err; + card = snd_lookup_oss_minor_data(iminor(inode), SNDRV_OSS_DEVICE_TYPE_MIXER); if (card == NULL) @@ -397,6 +401,7 @@ static const struct file_operations snd_mixer_oss_f_ops = .owner = THIS_MODULE, .open = snd_mixer_oss_open, .release = snd_mixer_oss_release, + .llseek = no_llseek, .unlocked_ioctl = snd_mixer_oss_ioctl, .compat_ioctl = snd_mixer_oss_ioctl_compat, }; diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 82d4e3329b3d..5c8c7dff8ede 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2379,6 +2379,10 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) int nonblock; wait_queue_t wait; + err = nonseekable_open(inode, file); + if (err < 0) + return err; + pcm = snd_lookup_oss_minor_data(iminor(inode), SNDRV_OSS_DEVICE_TYPE_PCM); if (pcm == NULL) { @@ -2977,6 +2981,7 @@ static const struct file_operations snd_pcm_oss_f_reg = .write = snd_pcm_oss_write, .open = snd_pcm_oss_open, .release = snd_pcm_oss_release, + .llseek = no_llseek, .poll = snd_pcm_oss_poll, .unlocked_ioctl = snd_pcm_oss_ioctl, .compat_ioctl = snd_pcm_oss_ioctl_compat, diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index cadba3087768..5b22443ed607 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2107,7 +2107,9 @@ static int snd_pcm_open_file(struct file *file, static int snd_pcm_playback_open(struct inode *inode, struct file *file) { struct snd_pcm *pcm; - + int err = nonseekable_open(inode, file); + if (err < 0) + return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_PLAYBACK); return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK); @@ -2116,7 +2118,9 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file) static int snd_pcm_capture_open(struct inode *inode, struct file *file) { struct snd_pcm *pcm; - + int err = nonseekable_open(inode, file); + if (err < 0) + return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_CAPTURE); return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE); @@ -3450,6 +3454,7 @@ const struct file_operations snd_pcm_f_ops[2] = { .aio_write = snd_pcm_aio_write, .open = snd_pcm_playback_open, .release = snd_pcm_release, + .llseek = no_llseek, .poll = snd_pcm_playback_poll, .unlocked_ioctl = snd_pcm_playback_ioctl, .compat_ioctl = snd_pcm_ioctl_compat, @@ -3463,6 +3468,7 @@ const struct file_operations snd_pcm_f_ops[2] = { .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release, + .llseek = no_llseek, .poll = snd_pcm_capture_poll, .unlocked_ioctl = snd_pcm_capture_ioctl, .compat_ioctl = snd_pcm_ioctl_compat, diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 0f5a194695d9..eb68326c37d4 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -376,6 +376,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK)) return -EINVAL; /* invalid combination */ + err = nonseekable_open(inode, file); + if (err < 0) + return err; + if (maj == snd_major) { rmidi = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_RAWMIDI); @@ -1391,6 +1395,7 @@ static const struct file_operations snd_rawmidi_f_ops = .write = snd_rawmidi_write, .open = snd_rawmidi_open, .release = snd_rawmidi_release, + .llseek = no_llseek, .poll = snd_rawmidi_poll, .unlocked_ioctl = snd_rawmidi_ioctl, .compat_ioctl = snd_rawmidi_ioctl_compat, diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 48eca9ff9ee7..99a485f13648 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -318,6 +318,11 @@ static int snd_seq_open(struct inode *inode, struct file *file) int c, mode; /* client id */ struct snd_seq_client *client; struct snd_seq_user_client *user; + int err; + + err = nonseekable_open(inode, file); + if (err < 0) + return err; if (mutex_lock_interruptible(®ister_mutex)) return -ERESTARTSYS; @@ -2550,6 +2555,7 @@ static const struct file_operations snd_seq_f_ops = .write = snd_seq_write, .open = snd_seq_open, .release = snd_seq_release, + .llseek = no_llseek, .poll = snd_seq_poll, .unlocked_ioctl = snd_seq_ioctl, .compat_ioctl = snd_seq_ioctl_compat, diff --git a/sound/core/timer.c b/sound/core/timer.c index 73943651caed..8c9a661df05b 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1237,6 +1237,11 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri, static int snd_timer_user_open(struct inode *inode, struct file *file) { struct snd_timer_user *tu; + int err; + + err = nonseekable_open(inode, file); + if (err < 0) + return err; tu = kzalloc(sizeof(*tu), GFP_KERNEL); if (tu == NULL) @@ -1921,6 +1926,7 @@ static const struct file_operations snd_timer_f_ops = .read = snd_timer_user_read, .open = snd_timer_user_open, .release = snd_timer_user_release, + .llseek = no_llseek, .poll = snd_timer_user_poll, .unlocked_ioctl = snd_timer_user_ioctl, .compat_ioctl = snd_timer_user_ioctl_compat, |