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nl: fix integer comparisons

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2021-09-03 12:53:54 +02:00
parent 59366a6156
commit b608dc2f93
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 3 additions and 3 deletions
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6
src/lxc/nl.c
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@ -42,7 +42,7 @@ static int nla_put(struct nlmsg *nlmsg, int attr,
size_t rtalen = RTA_LENGTH(len); size_t rtalen = RTA_LENGTH(len);
size_t tlen = NLMSG_ALIGN(nlmsg->nlmsghdr->nlmsg_len) + RTA_ALIGN(rtalen); 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); return ret_errno(ENOMEM);
rta = NLMSG_TAIL(nlmsg->nlmsghdr); 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 nlmsg_len = nlmsg->nlmsghdr->nlmsg_len;
size_t tlen = NLMSG_ALIGN(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); return ret_set_errno(NULL, ENOMEM);
buf = ((char *)(nlmsg->nlmsghdr)) + nlmsg_len; buf = ((char *)(nlmsg->nlmsghdr)) + nlmsg_len;
@ -188,7 +188,7 @@ again:
if (!ret) if (!ret)
return 0; 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_errno(EMSGSIZE);
return ret; return ret;