diff options
| author | Tzafrir Cohen <tzafrir.cohen@xorcom.com> | 2008-06-29 14:02:35 +0000 |
|---|---|---|
| committer | Tzafrir Cohen <tzafrir.cohen@xorcom.com> | 2008-06-29 14:02:35 +0000 |
| commit | e4de227a9fcedf1a521bd8a885b8bcd8e180101d (patch) | |
| tree | a996c39bd869821e614a8030582cf1779fae17bb | |
| parent | d843978bd66cc5b0b4a44ce2ff3c9ee78ccba5b1 (diff) | |
Fix crash in dahdi-base on channel close. From Zaptel r4348.
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@4477 a0bf4364-ded3-4de4-8d8a-66a801d63aff
| -rw-r--r-- | drivers/dahdi/dahdi-base.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dahdi/dahdi-base.c b/drivers/dahdi/dahdi-base.c index ed59d26..f2b4cd7 100644 --- a/drivers/dahdi/dahdi-base.c +++ b/drivers/dahdi/dahdi-base.c @@ -2451,7 +2451,9 @@ static int dahdi_specchan_release(struct inode *node, struct file *file, int uni close_channel(chans[unit]); if (chans[unit]->span && chans[unit]->span->close) res = chans[unit]->span->close(chans[unit]); - clear_bit(DAHDI_FLAGBIT_OPEN, &chans[unit]->flags); + /* The channel might be destroyed by low-level driver span->close() */ + if(chans[unit]) + clear_bit(DAHDI_FLAGBIT_OPEN, &chans[unit]->flags); } else res = -ENXIO; return res; |