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locks: don't call locks_release_private from locks_copy_lock 

All callers of locks_copy_lock pass in a brand new file_lock struct, so
there's no need to call locks_release_private on it. Replace that with
a warning that fires in the event that we receive a target lock that
doesn't look like it's properly initialized.

Acked-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
This commit is contained in:
Jeff Layton 2014-08-11 14:09:35 -04:00
parent 8144f1f699
commit 566709bd62
1 changed files with 2 additions and 1 deletions
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3
fs/locks.c
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@ -285,7 +285,8 @@ EXPORT_SYMBOL(__locks_copy_lock);
void locks_copy_lock(struct file_lock *new, struct file_lock *fl) void locks_copy_lock(struct file_lock *new, struct file_lock *fl)
{ {
locks_release_private(new); /* "new" must be a freshly-initialized lock */
WARN_ON_ONCE(new->fl_ops);
__locks_copy_lock(new, fl); __locks_copy_lock(new, fl);
new->fl_file = fl->fl_file; new->fl_file = fl->fl_file;