btrfs-progs: qgroup: fix qgroup show sort by multi items

[platform/upstream/btrfs-progs.git] / qgroup.c

diff --git a/qgroup.c b/qgroup.c
index fffdbb1..7e8ef07 100644 (file)
--- a/qgroup.c
+++ b/qgroup.c
@@ -1222,7 +1222,8 @@ int btrfs_qgroup_parse_sort_string(const char *opt_arg,
        if (!opt_tmp)
                return -ENOMEM;
 
-       while ((p = strtok(opt_tmp, ",")) != NULL) {
+       p = strtok(opt_tmp, ",");
+       while (p) {
                flag = 0;
                ptr_argv = all_sort_items;
 
@@ -1262,8 +1263,7 @@ int btrfs_qgroup_parse_sort_string(const char *opt_arg,
                        }
                        btrfs_qgroup_setup_comparer(comps, what_to_sort, order);
                }
-               free(opt_tmp);
-               opt_tmp = NULL;
+               p = strtok(NULL, ",");
        }
 
 out: