svn commit: r321038 - projects/pnfs-planb-server/sys/fs/nfsserver

[Rick Macklem]

Author: rmacklem
Date: Sat Jul 15 21:43:40 2017
New Revision: 321038
URL: https://svnweb.freebsd.org/changeset/base/321038

Log:
  Fix a crash that can occur when the DS subdirectories aren't available.

Modified:
  projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c

Modified: projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c
==============================================================================
--- projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c	Sat Jul 15 21:40:48 2017	(r321037)
+++ projects/pnfs-planb-server/sys/fs/nfsserver/nfs_nfsdstate.c	Sat Jul 15 21:43:40 2017	(r321038)
@@ -6599,7 +6599,8 @@ nfsrv_freedevid(struct nfsdevice *ds)
 	TAILQ_REMOVE(&nfsrv_devidhead, ds, nfsdev_list);
 	vrele(ds->nfsdev_dvp);
 	for (i = 0; i < nfsrv_dsdirsize; i++)
-		vrele(ds->nfsdev_dsdir[i]);
+		if (ds->nfsdev_dsdir[i] != NULL)
+			vrele(ds->nfsdev_dsdir[i]);
 	free(ds->nfsdev_fileaddr, M_NFSDSTATE);
 	free(ds->nfsdev_host, M_NFSDSTATE);
 	free(ds, M_NFSDSTATE);