diff options
Diffstat (limited to 'kernel/power/user.c')
| -rw-r--r-- | kernel/power/user.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index 845acd84cb23..bd1771f7a64e 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -49,12 +49,14 @@ static int snapshot_open(struct inode *inode, struct file *filp) if (!atomic_add_unless(&device_available, -1, 0)) return -EBUSY; - if ((filp->f_flags & O_ACCMODE) == O_RDWR) + if ((filp->f_flags & O_ACCMODE) == O_RDWR) { + atomic_inc(&device_available); return -ENOSYS; - - if(create_basic_memory_bitmaps()) + } + if(create_basic_memory_bitmaps()) { + atomic_inc(&device_available); return -ENOMEM; - + } nonseekable_open(inode, filp); data = &snapshot_state; filp->private_data = data; |