From c04812f964a2a79ec501fb1ba995ef333ff79172 Mon Sep 17 00:00:00 2001
From: Tom Caputi <tcaputi@datto.com>
Date: Thu, 11 Oct 2018 16:38:27 -0400
Subject: [PATCH] Fix ASSERT in zil_create() during ztest

This patch corrects an ASSERT in zil_create() that will only be
true if the call to zio_alloc_zil() does not fail.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8010
---
 module/zfs/zil.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/module/zfs/zil.c b/module/zfs/zil.c
index e247c1e4f..d5ebf7561 100644
--- a/module/zfs/zil.c
+++ b/module/zfs/zil.c
@@ -720,7 +720,8 @@ zil_create(zilog_t *zilog)
 		txg_wait_synced(zilog->zl_dmu_pool, txg);
 	}
 
-	ASSERT(bcmp(&blk, &zh->zh_log, sizeof (blk)) == 0);
+	ASSERT(error != 0 || bcmp(&blk, &zh->zh_log, sizeof (blk)) == 0);
+	IMPLY(error == 0, lwb != NULL);
 
 	return (lwb);
 }
-- 
2.39.5