diff options
Diffstat (limited to 'fs/ocfs2/stack_user.c')
| -rw-r--r-- | fs/ocfs2/stack_user.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index b503772cd0e..cd120011104 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -21,6 +21,7 @@ #include <linux/fs.h> #include <linux/miscdevice.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <linux/reboot.h> #include <asm/uaccess.h> @@ -619,10 +620,12 @@ static int ocfs2_control_open(struct inode *inode, struct file *file) return -ENOMEM; p->op_this_node = -1; + lock_kernel(); mutex_lock(&ocfs2_control_lock); file->private_data = p; list_add(&p->op_list, &ocfs2_control_private_list); mutex_unlock(&ocfs2_control_lock); + unlock_kernel(); return 0; } |