locks: remove dead lease error-handling code

[pandora-kernel.git] / fs / locks.c

diff --git a/fs/locks.c b/fs/locks.c
index 5b526a9..0e62dd3 100644 (file)
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -235,11 +235,8 @@ static void locks_copy_private(struct file_lock *new, struct file_lock *fl)
                        fl->fl_ops->fl_copy_lock(new, fl);
                new->fl_ops = fl->fl_ops;
        }
-       if (fl->fl_lmops) {
-               if (fl->fl_lmops->fl_copy_lock)
-                       fl->fl_lmops->fl_copy_lock(new, fl);
+       if (fl->fl_lmops)
                new->fl_lmops = fl->fl_lmops;
-       }
 }
 
 /*
@@ -1428,8 +1425,9 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
                goto out;
 
        if (my_before != NULL) {
-               *flp = *my_before;
                error = lease->fl_lmops->fl_change(my_before, arg);
+               if (!error)
+                       *flp = *my_before;
                goto out;
        }
 
@@ -1444,8 +1442,6 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
        return 0;
 
 out:
-       if (arg != F_UNLCK)
-               locks_free_lock(lease);
        return error;
 }
 EXPORT_SYMBOL(generic_setlease);
@@ -1508,9 +1504,8 @@ static int do_fcntl_delete_lease(struct file *filp)
 
 static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
 {
-       struct file_lock *fl;
+       struct file_lock *fl, *ret;
        struct fasync_struct *new;
-       struct inode *inode = filp->f_path.dentry->d_inode;
        int error;
 
        fl = lease_alloc(filp, arg);
@@ -1522,10 +1517,16 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
                locks_free_lock(fl);
                return -ENOMEM;
        }
+       ret = fl;
        lock_flocks();
-       error = __vfs_setlease(filp, arg, &fl);
-       if (error)
-               goto out_unlock;
+       error = __vfs_setlease(filp, arg, &ret);
+       if (error) {
+               unlock_flocks();
+               locks_free_lock(fl);
+               goto out_free_fasync;
+       }
+       if (ret != fl)
+               locks_free_lock(fl);
 
        /*
         * fasync_insert_entry() returns the old entry if any.
@@ -1533,20 +1534,13 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
         * inserted it into the fasync list. Clear new so that
         * we don't release it here.
         */
-       if (!fasync_insert_entry(fd, filp, &fl->fl_fasync, new))
+       if (!fasync_insert_entry(fd, filp, &ret->fl_fasync, new))
                new = NULL;
 
-       if (error < 0) {
-               /* remove lease just inserted by setlease */
-               fl->fl_type = F_UNLCK | F_INPROGRESS;
-               fl->fl_break_time = jiffies - 10;
-               time_out_leases(inode);
-               goto out_unlock;
-       }
-
        error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
-out_unlock:
        unlock_flocks();
+
+out_free_fasync:
        if (new)
                fasync_free(new);
        return error;