useradd.c:fix memleak in get_groups

Signed-off-by: whzhe <wanghongzhe@huawei.com>

diff --git a/src/useradd.c b/src/useradd.c
index 107e65f8503d9404a639c0d3822a15e075a96d45..822b67f57a9a38623235c894f5b6a0fe28f5e0ed 100644 (file)
--- a/src/useradd.c
+++ b/src/useradd.c
@@ -793,6 +793,7 @@ static int get_groups (char *list)
                        fprintf (stderr,
                                 _("%s: group '%s' is a NIS group.\n"),
                                 Prog, grp->gr_name);
+                       gr_free(grp);
                        continue;
                }
 #endif
@@ -801,6 +802,7 @@ static int get_groups (char *list)
                        fprintf (stderr,
                                 _("%s: too many groups specified (max %d).\n"),
                                 Prog, ngroups);
+                       gr_free(grp);
                        break;
                }
 
@@ -808,7 +810,7 @@ static int get_groups (char *list)
                 * Add the group name to the user's list of groups.
                 */
                user_groups[ngroups++] = xstrdup (grp->gr_name);
-               free (grp);
+               gr_free (grp);
        } while (NULL != list);
 
        close_group_files ();