nl: fix integer comparisons

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/nl.c b/src/lxc/nl.c
index 81e9cbab4d87833d452a07344176b2306f492598..27f62c50b545cd9741859742310a6396656dec47 100644 (file)
--- a/src/lxc/nl.c
+++ b/src/lxc/nl.c
@@ -42,7 +42,7 @@ static int nla_put(struct nlmsg *nlmsg, int attr,
        size_t rtalen = RTA_LENGTH(len);
        size_t tlen = NLMSG_ALIGN(nlmsg->nlmsghdr->nlmsg_len) + RTA_ALIGN(rtalen);
 
-       if (tlen > nlmsg->cap)
+       if (tlen > (size_t)nlmsg->cap)
                return ret_errno(ENOMEM);
 
        rta = NLMSG_TAIL(nlmsg->nlmsghdr);
@@ -122,7 +122,7 @@ void *nlmsg_reserve(struct nlmsg *nlmsg, size_t len)
        size_t nlmsg_len = nlmsg->nlmsghdr->nlmsg_len;
        size_t tlen = NLMSG_ALIGN(len);
 
-       if (nlmsg_len + tlen > nlmsg->cap)
+       if (nlmsg_len + tlen > (size_t)nlmsg->cap)
                return ret_set_errno(NULL, ENOMEM);
 
        buf = ((char *)(nlmsg->nlmsghdr)) + nlmsg_len;
@@ -188,7 +188,7 @@ again:
        if (!ret)
                return 0;
 
-       if (msg.msg_flags & MSG_TRUNC && (ret == nlmsghdr->nlmsg_len))
+       if (msg.msg_flags & MSG_TRUNC && ((__u32)ret == nlmsghdr->nlmsg_len))
                return ret_errno(EMSGSIZE);
 
        return ret;