svn commit: r321683 - stable/11/sys/boot/zfs

[Alexander Motin]

Author: mav
Date: Sat Jul 29 11:27:54 2017
New Revision: 321683
URL: https://svnweb.freebsd.org/changeset/base/321683

Log:
  MFC r314504 (by tsoome):
  loader: r314112 did introduce dereference freed pointer entry
  
  CID:		1371675
  Reported by:    Coverity
  Differential Revision:  https://reviews.freebsd.org/D9846

Modified:
  stable/11/sys/boot/zfs/zfsimpl.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/boot/zfs/zfsimpl.c
==============================================================================
--- stable/11/sys/boot/zfs/zfsimpl.c	Sat Jul 29 10:31:57 2017	(r321682)
+++ stable/11/sys/boot/zfs/zfsimpl.c	Sat Jul 29 11:27:54 2017	(r321683)
@@ -2217,7 +2217,7 @@ zfs_lookup(const struct zfsmount *mount, const char *u
 	char path[1024];
 	int symlinks_followed = 0;
 	struct stat sb;
-	struct obj_list *entry;
+	struct obj_list *entry, *tentry;
 	STAILQ_HEAD(, obj_list) on_cache = STAILQ_HEAD_INITIALIZER(on_cache);
 
 	spa = mount->spa;
@@ -2365,7 +2365,7 @@ zfs_lookup(const struct zfsmount *mount, const char *u
 
 	*dnode = dn;
 done:
-	STAILQ_FOREACH(entry, &on_cache, entry)
+	STAILQ_FOREACH_SAFE(entry, &on_cache, entry, tentry)
 		free(entry);
 	return (rc);
 }