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[PATCH] configfs: Fix open directory making rmdir() fail

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When checking for user-created elements under an item to be removed by rmdir(),
configfs_detach_prep() counts fake configfs_dirents created by dir_open() as
user-created and fails when finding one. It is however perfectly valid to remove
a directory that is open.

Simply make configfs_detach_prep() skip fake configfs_dirent, like it already
does for attributes, and like detach_groups() does.

Signed-off-by: Louis Rilling <louis.rilling@kerlabs.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Louis Rilling 2008-06-27 13:10:25 +02:00 committed by Mark Fasheh
parent 2e2ce171c3
commit 99cefda42a
1 changed files with 2 additions and 1 deletions
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3
fs/configfs/dir.c
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@ -435,7 +435,8 @@ static int configfs_detach_prep(struct dentry *dentry, struct mutex **wait_mutex
ret = 0;
list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
if (sd->s_type & CONFIGFS_NOT_PINNED)
if (!sd->s_element ||
(sd->s_type & CONFIGFS_NOT_PINNED))
continue;
if (sd->s_type & CONFIGFS_USET_DEFAULT) {
/* Abort if racing with mkdir() */