@@ -232,7 +232,6 @@ static inline void free_cell(struct snd_seq_pool *pool,
void snd_seq_cell_free(struct snd_seq_event_cell * cell)
{
- unsigned long flags;
struct snd_seq_pool *pool;
if (snd_BUG_ON(!cell))
@@ -241,7 +240,7 @@ void snd_seq_cell_free(struct snd_seq_event_cell * cell)
if (snd_BUG_ON(!pool))
return;
- spin_lock_irqsave(&pool->lock, flags);
+ guard(spinlock_irqsave)(&pool->lock);
free_cell(pool, cell);
if (snd_seq_ev_is_variable(&cell->event)) {
if (cell->event.data.ext.len & SNDRV_SEQ_EXT_CHAINED) {
@@ -259,7 +258,6 @@ void snd_seq_cell_free(struct snd_seq_event_cell * cell)
if (snd_seq_output_ok(pool))
wake_up(&pool->output_sleep);
}
- spin_unlock_irqrestore(&pool->lock, flags);
}
@@ -449,9 +447,8 @@ int snd_seq_pool_init(struct snd_seq_pool *pool)
return -ENOMEM;
/* add new cells to the free cell list */
- spin_lock_irq(&pool->lock);
+ guard(spinlock_irq)(&pool->lock);
if (pool->ptr) {
- spin_unlock_irq(&pool->lock);
kvfree(cellptr);
return 0;
}
@@ -470,20 +467,16 @@ int snd_seq_pool_init(struct snd_seq_pool *pool)
/* init statistics */
pool->max_used = 0;
pool->total_elements = pool->size;
- spin_unlock_irq(&pool->lock);
return 0;
}
/* refuse the further insertion to the pool */
void snd_seq_pool_mark_closing(struct snd_seq_pool *pool)
{
- unsigned long flags;
-
if (snd_BUG_ON(!pool))
return;
- spin_lock_irqsave(&pool->lock, flags);
+ guard(spinlock_irqsave)(&pool->lock);
pool->closing = 1;
- spin_unlock_irqrestore(&pool->lock, flags);
}
/* remove events */
@@ -502,18 +495,17 @@ int snd_seq_pool_done(struct snd_seq_pool *pool)
schedule_timeout_uninterruptible(1);
/* release all resources */
- spin_lock_irq(&pool->lock);
- ptr = pool->ptr;
- pool->ptr = NULL;
- pool->free = NULL;
- pool->total_elements = 0;
- spin_unlock_irq(&pool->lock);
+ scoped_guard(spinlock_irq, &pool->lock) {
+ ptr = pool->ptr;
+ pool->ptr = NULL;
+ pool->free = NULL;
+ pool->total_elements = 0;
+ }
kvfree(ptr);
- spin_lock_irq(&pool->lock);
+ guard(spinlock_irq)(&pool->lock);
pool->closing = 0;
- spin_unlock_irq(&pool->lock);
return 0;
}
We can simplify the code gracefully with new guard() macro and co for automatic cleanup of locks. Only the code refactoring, and no functional changes. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/core/seq/seq_memory.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-)