* [PATCH 7/16] UML - Fix a shutdown hang caused by a failed ifconfig
@ 2005-03-07 20:37 Jeff Dike
0 siblings, 0 replies; only message in thread
From: Jeff Dike @ 2005-03-07 20:37 UTC (permalink / raw)
To: Linus Torvalds; +Cc: linux-kernel, user-mode-linux-devel
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);
}
}
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