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path: root/drivers/net/wan/cosa.c
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Diffstat (limited to 'drivers/net/wan/cosa.c')
-rw-r--r--drivers/net/wan/cosa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 66360a2a14c..8e25ca7080c 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -76,6 +76,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fs.h>
@@ -906,6 +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;
}
}