[PATCH] 2.4.18 Eicon ISDN driver fix.

[petter wahlman]

The following code is calling a possibly blocking operation while
holding a spinlock.

Petter Wahlman

--- linux-2.4.18/drivers/isdn/eicon/eicon_mod.c Fri Dec 21 18:41:54 2001
+++ linux-2.4.18-pw/drivers/isdn/eicon/eicon_mod.c      Mon Feb 25
23:45:05 2002
@@ -665,8 +665,11 @@
                        else
                                cnt = skb->len;

-                       if (user)
+                       if (user) {
+                               spin_unlock_irqrestore(&eicon_lock,
flags);
                                copy_to_user(p, skb->data, cnt);
+                               spin_lock_irqsave(&eicon_lock, flags);
+                       }
                        else
                                memcpy(p, skb->data, cnt);