blobmsg: make blobmsg_len and blobmsg_data_len return unsigned value

[project/libubox.git] / blobmsg.c

diff --git a/blobmsg.c b/blobmsg.c
index 97e0c20575ff17e5bc549113964fd7bef1df3d0b..1a8b783e9ba92b35aff2b1a3ad6912a903b704e1 100644 (file)
--- a/blobmsg.c
+++ b/blobmsg.c
@@ -35,7 +35,8 @@ bool blobmsg_check_attr(const struct blob_attr *attr, bool name)
 {
        const struct blobmsg_hdr *hdr;
        const char *data;
-       int id, len;
+       size_t len;
+       int id;
 
        if (blob_len(attr) < sizeof(struct blobmsg_hdr))
                return false;