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wan: cosa: drop chan->wsem on error path
author
Dan Carpenter
<error27@gmail.com>
Sun, 29 Nov 2009 06:02:55 +0000
(06:02 +0000)
committer
David S. Miller
<davem@davemloft.net>
Mon, 30 Nov 2009 08:06:51 +0000
(
00:06
-0800)
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>
drivers/net/wan/cosa.c
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diff --git
a/drivers/net/wan/cosa.c
b/drivers/net/wan/cosa.c
index
e2c33c0
..
8e25ca7
100644
(file)
--- 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;
}
}