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authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:15:53 +0200
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:56 -0600
commit1d17bf0c08569e7aefd27df0179065fb955588c4 (patch)
treec6b03096b1376ccdacfa1277c0163ce58cda5244 /drivers/sbus
parent89c7de08c5fc059c4f6231571416d9bc0bbc91d4 (diff)
downloadlinux-1d17bf0c08569e7aefd27df0179065fb955588c4.tar.bz2
envctrl: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/sbus')
-rw-r--r--drivers/sbus/char/envctrl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index dadabef116b6..a408402426f8 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -27,6 +27,7 @@
#include <linux/miscdevice.h>
#include <linux/kmod.h>
#include <linux/reboot.h>
+#include <linux/smp_lock.h>
#include <asm/ebus.h>
#include <asm/uaccess.h>
@@ -694,6 +695,7 @@ envctrl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static int
envctrl_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
file->private_data = NULL;
return 0;
}