summaryrefslogtreecommitdiff
path: root/fs/configfs/dir.c
diff options
context:
space:
mode:
authorSean Paul <seanpaul@chromium.org>2019-05-22 16:08:21 -0400
committerSean Paul <seanpaul@chromium.org>2019-05-22 16:08:21 -0400
commit374ed5429346a021c8e2d26fafce14c5b15dedd0 (patch)
tree70739e93443494993197cc11f41c0fd0a0f3aac0 /fs/configfs/dir.c
parent270afb37ae34fc1499d166f6edf4bc472f529d96 (diff)
parenta188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging 5.2-rc1 to -misc-next for robher Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'fs/configfs/dir.c')
-rw-r--r--fs/configfs/dir.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 39843fa7e11b..5e7932d668ab 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1690,9 +1690,11 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
switch (whence) {
case 1:
offset += file->f_pos;
+ /* fall through */
case 0:
if (offset >= 0)
break;
+ /* fall through */
default:
return -EINVAL;
}
@@ -1755,12 +1757,19 @@ int configfs_register_group(struct config_group *parent_group,
inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
ret = create_default_group(parent_group, group);
- if (!ret) {
- spin_lock(&configfs_dirent_lock);
- configfs_dir_set_ready(group->cg_item.ci_dentry->d_fsdata);
- spin_unlock(&configfs_dirent_lock);
- }
+ if (ret)
+ goto err_out;
+
+ spin_lock(&configfs_dirent_lock);
+ configfs_dir_set_ready(group->cg_item.ci_dentry->d_fsdata);
+ spin_unlock(&configfs_dirent_lock);
+ inode_unlock(d_inode(parent));
+ return 0;
+err_out:
inode_unlock(d_inode(parent));
+ mutex_lock(&subsys->su_mutex);
+ unlink_group(group);
+ mutex_unlock(&subsys->su_mutex);
return ret;
}
EXPORT_SYMBOL(configfs_register_group);