From 875f3773e383d99e7d43020f02acad7681a05914 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Thu, 24 Jun 2021 00:51:52 +0900 Subject: [PATCH] sd-dhcp-client: shorten code a bit Upstream-Status: Backport CVE: CVE-2020-13529 Signed-off-by: Chen Qi --- src/libsystemd-network/sd-dhcp-client.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c index 86bc3c6181..ef3a7d2c6b 100644 --- a/src/libsystemd-network/sd-dhcp-client.c +++ b/src/libsystemd-network/sd-dhcp-client.c @@ -1760,7 +1760,7 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) { static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, int len) { DHCP_CLIENT_DONT_DESTROY(client); char time_string[FORMAT_TIMESPAN_MAX]; - int r = 0, notify_event = 0; + int r, notify_event = 0; assert(client); assert(client->event); @@ -1783,9 +1783,6 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, i 0, 0, client_timeout_resend, client, client->event_priority, "dhcp4-resend-timer", true); - if (r < 0) - goto error; - break; case DHCP_STATE_REBOOTING: @@ -1813,7 +1810,6 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, i client->start_delay = CLAMP(client->start_delay * 2, RESTART_AFTER_NAK_MIN_USEC, RESTART_AFTER_NAK_MAX_USEC); - return 0; } if (r < 0) @@ -1866,19 +1862,18 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, i goto error; r = client_timeout_t1(NULL, 0, client); - if (r < 0) - goto error; - break; case DHCP_STATE_INIT: case DHCP_STATE_INIT_REBOOT: - + r = 0; break; case DHCP_STATE_STOPPED: r = -EINVAL; goto error; + default: + assert_not_reached("invalid state"); } error: