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Code

dhcp: shorten code a bit

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This commit is contained in:
Yu Watanabe 2021-10-19 20:22:56 +09:00
parent 36f1955da8
commit d70c78131d
1 changed files with 3 additions and 9 deletions
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12
src/libsystemd-network/dhcp-network.c
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@ -172,7 +172,6 @@ int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int
r = setsockopt_int(s, IPPROTO_IP, IP_TOS, ip_service_type);
else
r = setsockopt_int(s, IPPROTO_IP, IP_TOS, IPTOS_CLASS_CS6);
if (r < 0)
return r;
@ -204,8 +203,7 @@ int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int
return r;
}
r = bind(s, &src.sa, sizeof(src.in));
if (r < 0)
if (bind(s, &src.sa, sizeof(src.in)) < 0)
return -errno;
return TAKE_FD(s);
@ -213,14 +211,12 @@ int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int
int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
const void *packet, size_t len) {
int r;
assert(link);
assert(packet);
assert(len);
r = sendto(s, packet, len, 0, &link->sa, SOCKADDR_LL_LEN(link->ll));
if (r < 0)
if (sendto(s, packet, len, 0, &link->sa, SOCKADDR_LL_LEN(link->ll)) < 0)
return -errno;
return 0;
@ -233,14 +229,12 @@ int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port,
.in.sin_port = htobe16(port),
.in.sin_addr.s_addr = address,
};
int r;
assert(s >= 0);
assert(packet);
assert(len);
r = sendto(s, packet, len, 0, &dest.sa, sizeof(dest.in));
if (r < 0)
if (sendto(s, packet, len, 0, &dest.sa, sizeof(dest.in)) < 0)
return -errno;
return 0;