From 9523b15ac1881946a7a6b7a145c8e2bb622dc56c Mon Sep 17 00:00:00 2001
From: luozhengzheng <luo.zhengzheng@zte.com.cn>
Date: Fri, 21 Oct 2016 02:54:02 +0800
Subject: [PATCH] Fix coverity defects: CID 153459

CID 153459: Null pointer dereferences (FORWARD_NULL)
Accidentally introduced by #5159.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: luozhengzheng <luo.zhengzheng@zte.com.cn>
Closes #5310
---
 module/zfs/zfs_fm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/zfs/zfs_fm.c b/module/zfs/zfs_fm.c
index 5b6bea7ae..15dbdc2a0 100644
--- a/module/zfs/zfs_fm.c
+++ b/module/zfs/zfs_fm.c
@@ -219,7 +219,7 @@ zfs_ereport_start(nvlist_t **ereport_out, nvlist_t **detector_out,
 	}
 
 	if ((strcmp(subclass, FM_EREPORT_ZFS_DELAY) == 0) &&
-	    !zio->io_timestamp) {
+	    (zio != NULL) && (!zio->io_timestamp)) {
 		/* Ignore bogus delay events */
 		return;
 	}