blobmsg_json: fix possible uninitialized struct member

clang-10 analyzer reports following:

 blobmsg_json.c:285:2: warning: The expression is an uninitialized value. The computed value will also be garbage
         s->indent_level++;
         ^~~~~~~~~~~~~~~~~

Signed-off-by: Petr Štetiar <ynezz@true.cz>

diff --git a/blobmsg_json.c b/blobmsg_json.c
index a5980e8a2b62ea1947656d0e18a16a9c054d2c6f..18592111b4dd06346a3d3605a555707e84156e7f 100644 (file)
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -315,7 +315,7 @@ static void setup_strbuf(struct strbuf *s, struct blob_attr *attr, blobmsg_json_
 
 char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_json_format_t cb, void *priv, int indent)
 {
-       struct strbuf s;
+       struct strbuf s = {0};
        bool array;
        char *ret;
 
@@ -349,7 +349,7 @@ char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_jso
 
 char *blobmsg_format_json_value_with_cb(struct blob_attr *attr, blobmsg_json_format_t cb, void *priv, int indent)
 {
-       struct strbuf s;
+       struct strbuf s = {0};
        char *ret;
 
        setup_strbuf(&s, attr, cb, priv, indent);