diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-12-07 12:15:33 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-12-07 12:15:33 +0100 |
commit | 222e82bef4bd520a31d48c31ab24e49dd46daa46 (patch) | |
tree | b6e73cad8e0b3a1c3e1acc537789e97aadaefa92 /sound/core/control.c | |
parent | 38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (diff) | |
parent | 18a2f371f5edf41810f6469cb9be39931ef9deb9 (diff) |
Merge branch 'linus' into sched/core
Pick up the autogroups fix and other fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/core/control.c')
-rw-r--r-- | sound/core/control.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 7e86a5b9f3b..8c7c2c9bba6 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -86,6 +86,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file) write_lock_irqsave(&card->ctl_files_rwlock, flags); list_add_tail(&ctl->list, &card->ctl_files); write_unlock_irqrestore(&card->ctl_files_rwlock, flags); + snd_card_unref(card); return 0; __error: @@ -93,6 +94,8 @@ static int snd_ctl_open(struct inode *inode, struct file *file) __error2: snd_card_file_remove(card, file); __error1: + if (card) + snd_card_unref(card); return err; } @@ -1434,6 +1437,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, spin_unlock_irq(&ctl->read_lock); schedule(); remove_wait_queue(&ctl->change_sleep, &wait); + if (ctl->card->shutdown) + return -ENODEV; if (signal_pending(current)) return -ERESTARTSYS; spin_lock_irq(&ctl->read_lock); |