[PATCH] 2.4.18 Eicon ISDN driver fix.

From: petter wahlman (petter@bluezone.no)
Date: Tue Feb 26 2002 - 14:26:18 EST

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);

-
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This archive was generated by hypermail 2b29 : Thu Feb 28 2002 - 21:00:32 EST