svn commit: r301921 - stable/10/lib/libc/gen

[Don Lewis]

Author: truckman
Date: Wed Jun 15 06:42:30 2016
New Revision: 301921
URL: https://svnweb.freebsd.org/changeset/base/301921

Log:
  MFC r301596
  
  Don't leak olinep if malloc() fails.
  
  If malloc() fails to allocate linep, then free olinep (if it exists)
  before returning to avoid a memory leak.
  
  Reported by:	Coverity
  CID:		1016716
  Reviewed by:	kib
  Differential Revision:	https://reviews.freebsd.org/D6755

Modified:
  stable/10/lib/libc/gen/getnetgrent.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/lib/libc/gen/getnetgrent.c
==============================================================================
--- stable/10/lib/libc/gen/getnetgrent.c	Wed Jun 15 06:40:30 2016	(r301920)
+++ stable/10/lib/libc/gen/getnetgrent.c	Wed Jun 15 06:42:30 2016	(r301921)
@@ -615,6 +615,8 @@ read_for_group(const char *group)
 					if (linep == NULL) {
 						free(lp->l_groupname);
 						free(lp);
+						if (olen > 0)
+							free(olinep);
 						return (NULL);
 					}
 					if (olen > 0) {