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-rw-r--r--sound/core/seq/oss/seq_oss_event.c14
-rw-r--r--sound/core/seq/seq_timer.c8
-rw-r--r--sound/core/vmaster.c5
3 files changed, 20 insertions, 7 deletions
diff --git a/sound/core/seq/oss/seq_oss_event.c b/sound/core/seq/oss/seq_oss_event.c
index 066f5f3..c390886 100644
--- a/sound/core/seq/oss/seq_oss_event.c
+++ b/sound/core/seq/oss/seq_oss_event.c
@@ -285,7 +285,12 @@ local_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev
static int
note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, struct snd_seq_event *ev)
{
- struct seq_oss_synthinfo *info = &dp->synths[dev];
+ struct seq_oss_synthinfo *info;
+
+ if (!snd_seq_oss_synth_is_valid(dp, dev))
+ return -ENXIO;
+
+ info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
@@ -340,7 +345,12 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st
static int
note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, struct snd_seq_event *ev)
{
- struct seq_oss_synthinfo *info = &dp->synths[dev];
+ struct seq_oss_synthinfo *info;
+
+ if (!snd_seq_oss_synth_is_valid(dp, dev))
+ return -ENXIO;
+
+ info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index 160b1bd..24d44b2 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -290,10 +290,10 @@ int snd_seq_timer_open(struct snd_seq_queue *q)
tid.device = SNDRV_TIMER_GLOBAL_SYSTEM;
err = snd_timer_open(&t, str, &tid, q->queue);
}
- if (err < 0) {
- snd_printk(KERN_ERR "seq fatal error: cannot create timer (%i)\n", err);
- return err;
- }
+ }
+ if (err < 0) {
+ snd_printk(KERN_ERR "seq fatal error: cannot create timer (%i)\n", err);
+ return err;
}
t->callback = snd_seq_timer_interrupt;
t->callback_data = q;
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 55c9d8c..02f90b4 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -213,7 +213,10 @@ static int slave_put(struct snd_kcontrol *kcontrol,
}
if (!changed)
return 0;
- return slave_put_val(slave, ucontrol);
+ err = slave_put_val(slave, ucontrol);
+ if (err < 0)
+ return err;
+ return 1;
}
static int slave_tlv_cmd(struct snd_kcontrol *kcontrol,
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