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authorDavid S. Miller <davem@davemloft.net>2012-11-10 18:32:51 -0500
committerDavid S. Miller <davem@davemloft.net>2012-11-10 18:32:51 -0500
commitd4185bbf62a5d8d777ee445db1581beb17882a07 (patch)
tree024b0badbd7c970b1983be6d8c345cc4a290cb31 /sound/core/control.c
parentc075b13098b399dc565b4d53f42047a8d40ed3ba (diff)
parenta375413311b39005ef281bfd71ae8f4e3df22e97 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c Minor conflict between the BCM_CNIC define removal in net-next and a bug fix added to net. Based upon a conflict resolution patch posted by Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/core/control.c')
-rw-r--r--sound/core/control.c5
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);