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authorTilman Schmidt <tilman@imap.cc>2010-09-30 13:34:30 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:32:14 -0800
commit82eabdfab00dfc50bad83238059124eebb490cb3 (patch)
tree687db401323fea5323ba86c35b392ff8458df65c /drivers/isdn
parent6694477140416dae127ee98d3777a6c283e1f597 (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.c6
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;
}