diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2010-09-30 13:34:30 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-09 13:32:14 -0800 |
| commit | 82eabdfab00dfc50bad83238059124eebb490cb3 (patch) | |
| tree | 687db401323fea5323ba86c35b392ff8458df65c /drivers/isdn | |
| parent | 6694477140416dae127ee98d3777a6c283e1f597 (diff) | |
isdn/gigaset: bas_gigaset locking fix
commit b33ffa5cbf52ee751bb8068218ebb3c742c5a515 upstream.
Unlock cs->lock before calling error_hangup() which is marked
"cs->lock must not be held".
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/gigaset/bas-gigaset.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index e10f57ed13a4..131976d880d0 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -1581,13 +1581,13 @@ static int gigaset_init_bchannel(struct bc_state *bcs) ret = starturbs(bcs); if (ret < 0) { + spin_unlock_irqrestore(&cs->lock, flags); dev_err(cs->dev, "could not start isochronous I/O for channel B%d: %s\n", bcs->channel + 1, ret == -EFAULT ? "null URB" : get_usb_rcmsg(ret)); if (ret != -ENODEV) error_hangup(bcs); - spin_unlock_irqrestore(&cs->lock, flags); return ret; } @@ -1597,11 +1597,11 @@ static int gigaset_init_bchannel(struct bc_state *bcs) dev_err(cs->dev, "could not open channel B%d\n", bcs->channel + 1); stopurbs(bcs->hw.bas); - if (ret != -ENODEV) - error_hangup(bcs); } spin_unlock_irqrestore(&cs->lock, flags); + if (ret < 0 && ret != -ENODEV) + error_hangup(bcs); return ret; } |