udhcpc: trim help text, rename badly-named variable

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 14 insertions, 15 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index f202ecf74..3a4ef9e64 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1055,7 +1055,7 @@ static void client_background(void)
 //usage:#endif
 //usage:#define udhcpc_trivial_usage
 //usage:       "[-fbnq"IF_UDHCP_VERBOSE("v")"oCRB] [-i IFACE] [-r IP] [-s PROG] [-p PIDFILE]\n"
-//usage:       "        [-H HOSTNAME] [-V VENDOR] [-x OPT:VAL]... [-O OPT]..." IF_FEATURE_UDHCP_PORT(" [-P N]")
+//usage:       "        [-V VENDOR] [-x OPT:VAL]... [-O OPT]..." IF_FEATURE_UDHCP_PORT(" [-P N]")
 //usage:#define udhcpc_full_usage "\n"
 //usage:        IF_LONG_OPTS(
 //usage:     "\n        -i,--interface IFACE    Interface to use (default eth0)"
@@ -1132,8 +1132,8 @@ static void client_background(void)
 //usage:        )
 //usage:        )
 //usage:     "\nSignals:"
-//usage:     "\n        USR1    Renew current lease"
-//usage:     "\n        USR2    Release current lease"
+//usage:     "\n        USR1    Renew lease"
+//usage:     "\n        USR2    Release lease"
 
 
 int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c
index bd754f766..33c9585cf 100644
--- a/networking/udhcp/packet.c
+++ b/networking/udhcp/packet.c
@@ -182,7 +182,7 @@ int FAST_FUNC udhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
                 uint32_t source_nip, int source_port,
                 uint32_t dest_nip, int dest_port)
 {
-        struct sockaddr_in client;
+        struct sockaddr_in sa;
         unsigned padding;
         int fd;
         int result = -1;
@@ -195,26 +195,25 @@ int FAST_FUNC udhcp_send_kernel_packet(struct dhcp_packet *dhcp_pkt,
         }
         setsockopt_reuseaddr(fd);
 
-        memset(&client, 0, sizeof(client));
-        client.sin_family = AF_INET;
-        client.sin_port = htons(source_port);
-        client.sin_addr.s_addr = source_nip;
-        if (bind(fd, (struct sockaddr *)&client, sizeof(client)) == -1) {
+        memset(&sa, 0, sizeof(sa));
+        sa.sin_family = AF_INET;
+        sa.sin_port = htons(source_port);
+        sa.sin_addr.s_addr = source_nip;
+        if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) == -1) {
                 msg = "bind(%s)";
                 goto ret_close;
         }
 
-        memset(&client, 0, sizeof(client));
-        client.sin_family = AF_INET;
-        client.sin_port = htons(dest_port);
-        client.sin_addr.s_addr = dest_nip;
-        if (connect(fd, (struct sockaddr *)&client, sizeof(client)) == -1) {
+        memset(&sa, 0, sizeof(sa));
+        sa.sin_family = AF_INET;
+        sa.sin_port = htons(dest_port);
+        sa.sin_addr.s_addr = dest_nip;
+        if (connect(fd, (struct sockaddr *)&sa, sizeof(sa)) == -1) {
                 msg = "connect";
                 goto ret_close;
         }
 
         udhcp_dump_packet(dhcp_pkt);
-
         padding = DHCP_OPTIONS_BUFSIZE - 1 - udhcp_end_option(dhcp_pkt->options);
         result = safe_write(fd, dhcp_pkt, DHCP_SIZE - padding);
         msg = "write";