13105 dnode_special_open() error: unchecked function return 'zrl_trye…

…nter'

Reviewed by: Jason King <jason.brian.king@gmail.com>
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Approved by: Dan McDonald <danmcd@joyent.com>

usr/src/uts/common/fs/zfs/dnode.c

@@ -1197,7 +1197,7 @@ dnode_special_open(objset_t *os, dnode_phys_t *dnp, uint64_t object,
 	dnode_t *dn;
 
 	zrl_init(&dnh->dnh_zrlock);
-	zrl_tryenter(&dnh->dnh_zrlock);
+	VERIFY3U(1, ==, zrl_tryenter(&dnh->dnh_zrlock));
 
 	dn = dnode_create(os, dnp, NULL, object, dnh);
 	DNODE_VERIFY(dn);