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From: Jeff Dike <jdike@addtoit.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org,
	user-mode-linux-devel@lists.sourceforge.net
Subject: [PATCH 7/16] UML - Fix a shutdown hang caused by a failed ifconfig
Date: Mon, 07 Mar 2005 15:37:53 -0500	[thread overview]
Message-ID: <200503072037.j27Kbrbc003972@ccure.user-mode-linux.org> (raw)

The network driver wasn't checking that the host side of an interface had
been successfully opened before trying to close it at shuwtdown.

Signed-off-by: Jeff Dike <jdike@addtoit.com>

Index: linux-2.6.11/arch/um/drivers/net_kern.c
===================================================================
--- linux-2.6.11.orig/arch/um/drivers/net_kern.c	2005-03-05 12:07:28.000000000 -0500
+++ linux-2.6.11/arch/um/drivers/net_kern.c	2005-03-05 12:12:13.000000000 -0500
@@ -728,7 +728,8 @@
 
 	list_for_each(ele, &opened){
 		lp = list_entry(ele, struct uml_net_private, list);
-		if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
+		if((lp->close != NULL) && (lp->fd >= 0))
+			(*lp->close)(lp->fd, &lp->user);
 		if(lp->remove != NULL) (*lp->remove)(&lp->user);
 	}
 }


                 reply	other threads:[~2005-03-07 18:11 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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