From 9bedd4d3d576b9a001ffc05266b49d3dceb8756d Mon Sep 17 00:00:00 2001
From: "Tais P. Hansen" <tph@casalogic.dk>
Date: Mon, 9 Dec 2019 13:48:08 +0100
Subject: [PATCH] Fix keydb-cli crashing on read-only filesystem

Former-commit-id: 91eac2cdb32d5cd5eb9c1fc54244da08faf8d9e7
---
 src/redis-cli.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/redis-cli.c b/src/redis-cli.c
index ea920569d..7a1f06341 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -6594,6 +6594,8 @@ static char *fetchMOTDFromCache()
 static void setMOTDCache(const char *sz)
 {
     FILE *pf = fopen(szMotdCachePath(), "wb");
+    if (pf == NULL)
+        return;
     size_t celem = fwrite(sz, strlen(sz), 1, pf);
     (void)celem;    // best effort
     fclose(pf);