swsusp: fix error paths in snapshot_open

[powerpc.git] / kernel / power / user.c

diff --git a/kernel/power/user.c b/kernel/power/user.c
index 845acd8..bd1771f 100644 (file)
--- 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;