Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

[linux-2.6-omap-h63xx.git] / drivers / block / nbd.c

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 34f80fa6fed16d379733e3db018f765831e09778..8299e2d3b61163b2d2d82bb8b00ea4495e3000f9 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -549,6 +549,15 @@ static void do_nbd_request(struct request_queue * q)
 
                BUG_ON(lo->magic != LO_MAGIC);
 
+               if (unlikely(!lo->sock)) {
+                       printk(KERN_ERR "%s: Attempted send on closed socket\n",
+                               lo->disk->disk_name);
+                       req->errors++;
+                       nbd_end_request(req);
+                       spin_lock_irq(q->queue_lock);
+                       continue;
+               }
+
                spin_lock_irq(&lo->queue_lock);
                list_add_tail(&req->queuelist, &lo->waiting_queue);
                spin_unlock_irq(&lo->queue_lock);