diff options
| author | Pavel Shilovsky <piastry@etersoft.ru> | 2012-03-17 10:46:55 +0400 |
|---|---|---|
| committer | Steve French <stevef@smf-gateway.(none)> | 2012-03-19 19:20:22 +0400 |
| commit | ce85852b90a214cf577fc1b4f49d99fd7e98784a (patch) | |
| tree | 4ddd1c31ba83be828df57167e25308ff6f563e31 /fs/cifs | |
| parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) | |
| download | linux-ce85852b90a214cf577fc1b4f49d99fd7e98784a.tar.xz | |
CIFS: Fix a spurious error in cifs_push_posix_locks
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Steve French <stevef@smf-gateway.(none)>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/file.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 5e64748a2917..8e02dbd88ae1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -960,9 +960,9 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile) INIT_LIST_HEAD(&locks_to_send); /* - * Allocating count locks is enough because no locks can be added to - * the list while we are holding cinode->lock_mutex that protects - * locking operations of this inode. + * Allocating count locks is enough because no FL_POSIX locks can be + * added to the list while we are holding cinode->lock_mutex that + * protects locking operations of this inode. */ for (; i < count; i++) { lck = kmalloc(sizeof(struct lock_to_push), GFP_KERNEL); @@ -973,18 +973,20 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile) list_add_tail(&lck->llist, &locks_to_send); } - i = 0; el = locks_to_send.next; lock_flocks(); cifs_for_each_lock(cfile->dentry->d_inode, before) { + flock = *before; + if ((flock->fl_flags & FL_POSIX) == 0) + continue; if (el == &locks_to_send) { - /* something is really wrong */ + /* + * The list ended. We don't have enough allocated + * structures - something is really wrong. + */ cERROR(1, "Can't push all brlocks!"); break; } - flock = *before; - if ((flock->fl_flags & FL_POSIX) == 0) - continue; length = 1 + flock->fl_end - flock->fl_start; if (flock->fl_type == F_RDLCK || flock->fl_type == F_SHLCK) type = CIFS_RDLCK; @@ -996,7 +998,6 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile) lck->length = length; lck->type = type; lck->offset = flock->fl_start; - i++; el = el->next; } unlock_flocks(); |