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net-tun: BKL pushdown
author
Arnd Bergmann
<arnd@arndb.de>
Tue, 20 May 2008 17:16:24 +0000
(19:16 +0200)
committer
Jonathan Corbet
<corbet@lwn.net>
Wed, 2 Jul 2008 21:06:23 +0000
(15:06 -0600)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
drivers/net/tun.c
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diff --git
a/drivers/net/tun.c
b/drivers/net/tun.c
index
0ce07a3
..
ce5af2a
100644
(file)
--- a/
drivers/net/tun.c
+++ b/
drivers/net/tun.c
@@
-48,6
+48,7
@@
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/init.h>
@@
-797,6
+798,7
@@
static int tun_chr_fasync(int fd, struct file *file, int on)
static int tun_chr_open(struct inode *inode, struct file * file)
{
+ cycle_kernel_lock();
DBG1(KERN_INFO "tunX: tun_chr_open\n");
file->private_data = NULL;
return 0;