X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fzfs_vfsops.c;h=998cfde32fc716ab94107a709a85ab18af3891e6;hb=ab85f8455b995741c479f1cdcf21304de87fdaa8;hp=8f1c713c0534b3c76a55a736097a34146890a236;hpb=ebe7e575eae1e03b1faa545a424f008faeac589d;p=zfs.git

diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index 8f1c713..998cfde 100644
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -1231,7 +1231,7 @@ zfs_preumount(struct super_block *sb)
 {
 	zfs_sb_t *zsb = sb->s_fs_info;
 
-	if (zsb->z_ctldir != NULL)
+	if (zsb != NULL && zsb->z_ctldir != NULL)
 		zfsctl_destroy(zsb);
 }
 EXPORT_SYMBOL(zfs_preumount);