diff options
| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-02-22 07:44:15 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-02-22 07:44:15 -0300 |
| commit | e6b377dbbb944d5e3ceef4e5d429fc5c841e3692 (patch) | |
| tree | c84b714acad1ad20a0f0ea223dc019dd1267f4b6 /sound/core/seq/seq_queue.c | |
| parent | 9eeb0ed0f30938f31a3d9135a88b9502192c18dd (diff) | |
| parent | c470abd4fde40ea6a0846a2beab642a578c0b8cd (diff) | |
Merge tag 'v4.10' into patchwork
Linux 4.10
* tag 'v4.10': (1558 commits)
Linux 4.10
Fix missing sanity check in /dev/sg
scsi: don't BUG_ON() empty DMA transfers
ipv6: release dst on error in ip6_dst_lookup_tail
printk: use rcuidle console tracepoint
ARM: multi_v7_defconfig: enable Qualcomm RPMCC
irda: Fix lockdep annotations in hashbin_delete().
vxlan: fix oops in dev_fill_metadata_dst
dccp: fix freeing skb too early for IPV6_RECVPKTINFO
dpaa_eth: small leak on error
packet: Do not call fanout_release from atomic contexts
reset: fix shared reset triggered_count decrement on error
ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly
ntb_transport: Pick an unused queue
ntb: ntb_perf missing dmaengine_unmap_put
NTB: ntb_transport: fix debugfs_remove_recursive
Revert "nohz: Fix collision between tick and other hrtimers"
vfs: fix uninitialized flags in splice_to_pipe()
drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor
ARM: 8658/1: uaccess: fix zeroing of 64-bit get_user()
...
Diffstat (limited to 'sound/core/seq/seq_queue.c')
| -rw-r--r-- | sound/core/seq/seq_queue.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c index 0bec02e89d51..450c5187eecb 100644 --- a/sound/core/seq/seq_queue.c +++ b/sound/core/seq/seq_queue.c @@ -181,6 +181,8 @@ void __exit snd_seq_queues_delete(void) } } +static void queue_use(struct snd_seq_queue *queue, int client, int use); + /* allocate a new queue - * return queue index value or negative value for error */ @@ -192,11 +194,11 @@ int snd_seq_queue_alloc(int client, int locked, unsigned int info_flags) if (q == NULL) return -ENOMEM; q->info_flags = info_flags; + queue_use(q, client, 1); if (queue_list_add(q) < 0) { queue_delete(q); return -ENOMEM; } - snd_seq_queue_use(q->queue, client, 1); /* use this queue */ return q->queue; } @@ -502,19 +504,9 @@ int snd_seq_queue_timer_set_tempo(int queueid, int client, return result; } - -/* use or unuse this queue - - * if it is the first client, starts the timer. - * if it is not longer used by any clients, stop the timer. - */ -int snd_seq_queue_use(int queueid, int client, int use) +/* use or unuse this queue */ +static void queue_use(struct snd_seq_queue *queue, int client, int use) { - struct snd_seq_queue *queue; - - queue = queueptr(queueid); - if (queue == NULL) - return -EINVAL; - mutex_lock(&queue->timer_mutex); if (use) { if (!test_and_set_bit(client, queue->clients_bitmap)) queue->clients++; @@ -529,6 +521,21 @@ int snd_seq_queue_use(int queueid, int client, int use) } else { snd_seq_timer_close(queue); } +} + +/* use or unuse this queue - + * if it is the first client, starts the timer. + * if it is not longer used by any clients, stop the timer. + */ +int snd_seq_queue_use(int queueid, int client, int use) +{ + struct snd_seq_queue *queue; + + queue = queueptr(queueid); + if (queue == NULL) + return -EINVAL; + mutex_lock(&queue->timer_mutex); + queue_use(queue, client, use); mutex_unlock(&queue->timer_mutex); queuefree(queue); return 0; |
