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Hold RTNL while calling dev_close()

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dev_close() must be called holding the RTNL.  Compile-tested only.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Hutchings 2008-05-06 19:41:48 +01:00 committed by Jeff Garzik
parent c81ec80bc8
commit 3e3cda96d0
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wan/x25_asy.c
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@ -32,6 +32,7 @@
#include <linux/x25.h>
#include <linux/lapb.h>
#include <linux/init.h>
#include <linux/rtnetlink.h>
#include "x25_asy.h"
#include <net/x25device.h>
@ -601,8 +602,10 @@ static void x25_asy_close_tty(struct tty_struct *tty)
if (!sl || sl->magic != X25_ASY_MAGIC)
return;
rtnl_lock();
if (sl->dev->flags & IFF_UP)
dev_close(sl->dev);
rtnl_unlock();
tty->disc_data = NULL;
sl->tty = NULL;