From: Dan Carpenter <error27@gmail.com>
Date: Sun, 29 Nov 2009 06:02:55 +0000 (+0000)
Subject: wan: cosa: drop chan->wsem on error path
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=40be261dfd8bfba4baeff40168d44a6a4450ace1;p=openwrt%2Fstaging%2Fblogic.git

wan: cosa: drop chan->wsem on error path

The other paths all drop chan->wsem.  This was found by a static
checker (smatch).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index e2c33c06190b..8e25ca7080c7 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -907,6 +907,7 @@ static ssize_t cosa_write(struct file *file,
 			current->state = TASK_RUNNING;
 			chan->tx_status = 1;
 			spin_unlock_irqrestore(&cosa->lock, flags);
+			up(&chan->wsem);
 			return -ERESTARTSYS;
 		}
 	}