Fix little issue with last change.

diff --git a/nss/nss_files/files-initgroups.c b/nss/nss_files/files-initgroups.c
index 2d84cd8..1c288e5 100644 (file)
--- a/nss/nss_files/files-initgroups.c
+++ b/nss/nss_files/files-initgroups.c
@@ -63,7 +63,9 @@ _nss_files_initgroups_dyn (const char *user, gid_t group, long int *start,
        }
 
       struct group grp;
-      while (_nss_files_parse_grent (line, &grp, buffer, buflen, errnop) == -1)
+      int res;
+      while ((res = _nss_files_parse_grent (line, &grp, buffer, buflen,
+                                           errnop)) == -1)
        {
          size_t newbuflen = 2 * buflen;
          if (buffer_use_malloc || ! __libc_use_alloca (buflen + newbuflen))
@@ -83,7 +85,7 @@ _nss_files_initgroups_dyn (const char *user, gid_t group, long int *start,
            buffer = extend_alloca (buffer, buflen, newbuflen);
        }
 
-      if (grp.gr_gid != group)
+      if (res > 0 && grp.gr_gid != group)
        for (char **m = grp.gr_mem; *m != NULL; ++m)
          if (strcmp (*m, user) == 0)
            {