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File-locking related bugfix for v3.19 (and v3.18-stable) 

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Merge tag 'locks-v3.19-1' of git://git.samba.org/jlayton/linux

Pull file locking fix from Jeff Layton:
 "Just a simple bugfix for a regression that I introduced into v3.18
  with the internal lease API overhaul -- mea culpa.  Kudos to Linda and
  Neil for tracking this down and fixing it"

* tag 'locks-v3.19-1' of git://git.samba.org/jlayton/linux:
  locks: fix NULL-deref in generic_delete_lease
This commit is contained in:
Linus Torvalds 2015-01-15 10:38:07 +13:00
parent 31238e61b5 52d304eb4e
commit fb005c47f7
1 changed files with 1 additions and 1 deletions
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2
fs/locks.c
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@ -1702,7 +1702,7 @@ static int generic_delete_lease(struct file *filp)
break;
}
trace_generic_delete_lease(inode, fl);
if (fl)
if (fl && IS_LEASE(fl))
error = fl->fl_lmops->lm_change(before, F_UNLCK, &dispose);
spin_unlock(&inode->i_lock);
locks_dispose_list(&dispose);