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-rw-r--r--winsup/cygwin/grp.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/winsup/cygwin/grp.cc b/winsup/cygwin/grp.cc
index 501db1a2c..8c3b82198 100644
--- a/winsup/cygwin/grp.cc
+++ b/winsup/cygwin/grp.cc
@@ -48,8 +48,8 @@ pwdgrp::parse_group ()
/* Don't generate gr_mem entries. */
grp.g.gr_mem = &null_ptr;
cygsid csid;
- csid.getfromgr_passwd (&grp.g);
- RtlCopySid (SECURITY_MAX_SID_SIZE, grp.sid, csid);
+ if (csid.getfromgr_passwd (&grp.g))
+ RtlCopySid (SECURITY_MAX_SID_SIZE, grp.sid, csid);
return true;
}