[PATCH] oss: semaphore to mutex conversion
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Extracted for OSS/Free changes from Ingo's original patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/sound/oss/emu10k1/hwaccess.h b/sound/oss/emu10k1/hwaccess.h
index 104223a..85e27bd 100644
--- a/sound/oss/emu10k1/hwaccess.h
+++ b/sound/oss/emu10k1/hwaccess.h
@@ -181,7 +181,7 @@
struct emu10k1_mpuout *mpuout;
struct emu10k1_mpuin *mpuin;
- struct semaphore open_sem;
+ struct mutex open_sem;
mode_t open_mode;
wait_queue_head_t open_wait;
diff --git a/sound/oss/emu10k1/main.c b/sound/oss/emu10k1/main.c
index 23241cb..0cd44a6 100644
--- a/sound/oss/emu10k1/main.c
+++ b/sound/oss/emu10k1/main.c
@@ -1320,7 +1320,7 @@
card->is_aps = (subsysvid == EMU_APS_SUBID);
spin_lock_init(&card->lock);
- init_MUTEX(&card->open_sem);
+ mutex_init(&card->open_sem);
card->open_mode = 0;
init_waitqueue_head(&card->open_wait);
diff --git a/sound/oss/emu10k1/midi.c b/sound/oss/emu10k1/midi.c
index b40b5f9..959a967 100644
--- a/sound/oss/emu10k1/midi.c
+++ b/sound/oss/emu10k1/midi.c
@@ -110,21 +110,21 @@
#endif
/* Wait for device to become free */
- down(&card->open_sem);
+ mutex_lock(&card->open_sem);
while (card->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
if (file->f_flags & O_NONBLOCK) {
- up(&card->open_sem);
+ mutex_unlock(&card->open_sem);
return -EBUSY;
}
- up(&card->open_sem);
+ mutex_unlock(&card->open_sem);
interruptible_sleep_on(&card->open_wait);
if (signal_pending(current)) {
return -ERESTARTSYS;
}
- down(&card->open_sem);
+ mutex_lock(&card->open_sem);
}
if ((midi_dev = (struct emu10k1_mididevice *) kmalloc(sizeof(*midi_dev), GFP_KERNEL)) == NULL)
@@ -183,7 +183,7 @@
card->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
- up(&card->open_sem);
+ mutex_unlock(&card->open_sem);
return nonseekable_open(inode, file);
}
@@ -234,9 +234,9 @@
kfree(midi_dev);
- down(&card->open_sem);
+ mutex_lock(&card->open_sem);
card->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE));
- up(&card->open_sem);
+ mutex_unlock(&card->open_sem);
wake_up_interruptible(&card->open_wait);
unlock_kernel();