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-rw-r--r--kernel/power/user.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 845acd84cb2..bd1771f7a64 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;