diff options
| author | mattf <mattf@5390a7c7-147a-4af0-8ec9-7488f05a26cb> | 2006-11-16 23:12:00 +0000 |
|---|---|---|
| committer | mattf <mattf@5390a7c7-147a-4af0-8ec9-7488f05a26cb> | 2006-11-16 23:12:00 +0000 |
| commit | fa24582c8559240dbae1b241e98257bc015c4165 (patch) | |
| tree | 12fcfe9411a069e702b36ad3433a0cbe7af6895f /zaptel.c | |
| parent | 2ef40f44ed6b92816e26cc81d0b872a1aaefb5b8 (diff) | |
Fix for 7769
git-svn-id: http://svn.digium.com/svn/zaptel/branches/1.2@1605 5390a7c7-147a-4af0-8ec9-7488f05a26cb
Diffstat (limited to 'zaptel.c')
| -rw-r--r-- | zaptel.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -2228,8 +2228,10 @@ static int zt_specchan_open(struct inode *inode, struct file *file, int unit, in else if ((chans[unit]->sig & __ZT_SIG_DACS) == __ZT_SIG_DACS) res = -EBUSY; else { + unsigned long flags; /* Assume everything is going to be okay */ res = initialize_channel(chans[unit]); + spin_lock_irqsave(&chans[unit]->lock, flags); if (chans[unit]->flags & ZT_FLAG_PSEUDO) chans[unit]->flags |= ZT_FLAG_AUDIO; if (chans[unit]->span && chans[unit]->span->open) @@ -2241,7 +2243,9 @@ static int zt_specchan_open(struct inode *inode, struct file *file, int unit, in MOD_INC_USE_COUNT; #endif chans[unit]->flags |= ZT_FLAG_OPEN; + spin_unlock_irqrestore(&chans[unit]->lock, flags); } else { + spin_unlock_irqrestore(&chans[unit]->lock, flags); close_channel(chans[unit]); } } @@ -2254,7 +2258,10 @@ static int zt_specchan_release(struct inode *node, struct file *file, int unit) { int res=0; if (chans[unit]) { + unsigned long flags; + spin_lock_irqsave(&chans[unit]->lock, flags); chans[unit]->flags &= ~ZT_FLAG_OPEN; + spin_unlock_irqrestore(&chans[unit]->lock, flags); chans[unit]->file = NULL; close_channel(chans[unit]); if (chans[unit]->span && chans[unit]->span->close) |