locks: flock_make_lock should return a struct file_lock (or PTR_ERR)
locks: flock_make_lock should return a struct file_lock (or PTR_ERR)

Eliminate the need for a return pointer.

Signed-off-by: Jeff Layton <4376fbf8623cd7b7c0232225289bb91cedc0a27f@primarydata.com>
Reviewed-by: Christoph Hellwig <923f7720577207a44b32e59bbfbea59d27f1ae8e@lst.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs