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path: root/drivers/net/wan/x25_asy.c
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Diffstat (limited to 'drivers/net/wan/x25_asy.c')
-rw-r--r--drivers/net/wan/x25_asy.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
index 249e18053d5f..069f8bb0a99f 100644
--- a/drivers/net/wan/x25_asy.c
+++ b/drivers/net/wan/x25_asy.c
@@ -32,6 +32,7 @@
32#include <linux/x25.h> 32#include <linux/x25.h>
33#include <linux/lapb.h> 33#include <linux/lapb.h>
34#include <linux/init.h> 34#include <linux/init.h>
35#include <linux/rtnetlink.h>
35#include "x25_asy.h" 36#include "x25_asy.h"
36 37
37#include <net/x25device.h> 38#include <net/x25device.h>
@@ -601,8 +602,10 @@ static void x25_asy_close_tty(struct tty_struct *tty)
601 if (!sl || sl->magic != X25_ASY_MAGIC) 602 if (!sl || sl->magic != X25_ASY_MAGIC)
602 return; 603 return;
603 604
605 rtnl_lock();
604 if (sl->dev->flags & IFF_UP) 606 if (sl->dev->flags & IFF_UP)
605 dev_close(sl->dev); 607 dev_close(sl->dev);
608 rtnl_unlock();
606 609
607 tty->disc_data = NULL; 610 tty->disc_data = NULL;
608 sl->tty = NULL; 611 sl->tty = NULL;