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-rw-r--r--fs/configfs/dir.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 614e382a6049..179589be063a 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1027,9 +1027,10 @@ EXPORT_SYMBOL(configfs_undepend_item);
1027 1027
1028static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) 1028static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
1029{ 1029{
1030 int ret, module_got = 0; 1030 int ret = 0;
1031 struct config_group *group; 1031 int module_got = 0;
1032 struct config_item *item; 1032 struct config_group *group = NULL;
1033 struct config_item *item = NULL;
1033 struct config_item *parent_item; 1034 struct config_item *parent_item;
1034 struct configfs_subsystem *subsys; 1035 struct configfs_subsystem *subsys;
1035 struct configfs_dirent *sd; 1036 struct configfs_dirent *sd;
@@ -1070,28 +1071,32 @@ static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
1070 snprintf(name, dentry->d_name.len + 1, "%s", dentry->d_name.name); 1071 snprintf(name, dentry->d_name.len + 1, "%s", dentry->d_name.name);
1071 1072
1072 mutex_lock(&subsys->su_mutex); 1073 mutex_lock(&subsys->su_mutex);
1073 group = NULL;
1074 item = NULL;
1075 if (type->ct_group_ops->make_group) { 1074 if (type->ct_group_ops->make_group) {
1076 group = type->ct_group_ops->make_group(to_config_group(parent_item), name); 1075 group = type->ct_group_ops->make_group(to_config_group(parent_item), name);
1077 if (group) { 1076 if (!group)
1077 group = ERR_PTR(-ENOMEM);
1078 if (!IS_ERR(group)) {
1078 link_group(to_config_group(parent_item), group); 1079 link_group(to_config_group(parent_item), group);
1079 item = &group->cg_item; 1080 item = &group->cg_item;
1080 } 1081 } else
1082 ret = PTR_ERR(group);
1081 } else { 1083 } else {
1082 item = type->ct_group_ops->make_item(to_config_group(parent_item), name); 1084 item = type->ct_group_ops->make_item(to_config_group(parent_item), name);
1083 if (item) 1085 if (!item)
1086 item = ERR_PTR(-ENOMEM);
1087 if (!IS_ERR(item))
1084 link_obj(parent_item, item); 1088 link_obj(parent_item, item);
1089 else
1090 ret = PTR_ERR(item);
1085 } 1091 }
1086 mutex_unlock(&subsys->su_mutex); 1092 mutex_unlock(&subsys->su_mutex);
1087 1093
1088 kfree(name); 1094 kfree(name);
1089 if (!item) { 1095 if (ret) {
1090 /* 1096 /*
1091 * If item == NULL, then link_obj() was never called. 1097 * If item == NULL, then link_obj() was never called.
1092 * There are no extra references to clean up. 1098 * There are no extra references to clean up.
1093 */ 1099 */
1094 ret = -ENOMEM;
1095 goto out_put; 1100 goto out_put;
1096 } 1101 }
1097 1102