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) { - if (el == &locks_to_send) { - /* something is really wrong */ - cERROR(1, "Can't push all brlocks!"); - break; - } flock = *before; if ((flock->fl_flags & FL_POSIX) == 0) continue; + if (el == &locks_to_send) { + /* + * The list ended. We don't have enough allocated + * structures - something is really wrong. + */ + cERROR(1, "Can't push all brlocks!"); + break; + } 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();