From 4e0208001c687a8ab170271a5b0f7446791c5ba9 Mon Sep 17 00:00:00 2001
From: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Date: Mon, 3 Aug 2020 10:52:37 +0200
Subject: [PATCH] json_config: fix static analyzer false-positive
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The variable can't be uninitialized, but gcc complains:

json_config.c:415:3: error: ‘params_len’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
   spdk_json_write_val_raw(w, cfg.params->start, params_len);

Change-Id: I845dcc19fa18c3583c420e66c16c11a3fdf99ad4
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/3626
Reviewed-by: Pawel Piatek <pawelx.piatek@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-by: <dongx.yi@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 lib/event/json_config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/event/json_config.c b/lib/event/json_config.c
index fc0cd0a0a..0edcd1827 100644
--- a/lib/event/json_config.c
+++ b/lib/event/json_config.c
@@ -353,7 +353,7 @@ app_json_config_load_subsystem_config_entry(void *_ctx)
 	struct spdk_json_write_ctx *w;
 	struct config_entry cfg = {};
 	struct spdk_json_val *params_end;
-	size_t params_len;
+	size_t params_len = 0;
 	int rc;
 
 	if (ctx->config_it == NULL) {