From c0e4818d68cbc6aea50f0e5a56af29407763bab5 Mon Sep 17 00:00:00 2001
From: Swen Schillig <swen@vnet.ibm.com>
Date: Fri, 25 May 2018 11:32:38 +0200
Subject: [PATCH] CID 1416478: de-ref NULL value in fruit_pwrite_rsrc

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
---
 source3/modules/vfs_fruit.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source3/modules/vfs_fruit.c b/source3/modules/vfs_fruit.c
index df3cd0c899e..956739dd5af 100644
--- a/source3/modules/vfs_fruit.c
+++ b/source3/modules/vfs_fruit.c
@@ -4405,6 +4405,11 @@ static ssize_t fruit_pwrite_rsrc(vfs_handle_struct *handle,
 	struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
 	ssize_t nwritten;
 
+	if (fio == NULL) {
+		DBG_ERR("Failed to fetch fsp extension");
+		return -1;
+	}
+
 	switch (fio->config->rsrc) {
 	case FRUIT_RSRC_STREAM:
 		nwritten = fruit_pwrite_rsrc_stream(handle, fsp, data, n, offset);