From 92d31eb226b15e319fec3bfbbcb45d8fba82125e Mon Sep 17 00:00:00 2001
From: Jim Harris <james.r.harris@intel.com>
Date: Thu, 28 Oct 2021 21:38:04 +0000
Subject: [PATCH] init: use strerror when conf file can't be loaded

This makes it more clear why reading a JSON
configuration file failed.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I9dae907c839d48068044b09f34b89a2de51cd811
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10057
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
---
 lib/init/json_config.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/init/json_config.c b/lib/init/json_config.c
index 6305af4fc..8a548ac64 100644
--- a/lib/init/json_config.c
+++ b/lib/init/json_config.c
@@ -41,6 +41,7 @@
 #include "spdk/thread.h"
 #include "spdk/jsonrpc.h"
 #include "spdk/rpc.h"
+#include "spdk/string.h"
 
 #include "spdk_internal/event.h"
 
@@ -528,7 +529,8 @@ app_json_config_read(const char *config_file, struct load_json_config_ctx *ctx)
 
 	json = read_file(config_file, &json_size);
 	if (!json) {
-		SPDK_ERRLOG("Read JSON configuration file %s failed\n", config_file);
+		SPDK_ERRLOG("Read JSON configuration file %s failed: %s\n",
+			    config_file, spdk_strerror(errno));
 		return -errno;
 	}