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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2019-10-02 10:29:41 +0200 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2019-10-02 14:01:42 +0200 |
| commit | 8bea7e700f5e73d9a92583f71647c9788defb843 (patch) | |
| tree | eabc68df18f9e59955c6acd9f53697c8558f9863 /src/libsystemd-network | |
| parent | 8ff4585ffa870bce1a02dbf53cfcae7f559c3e83 (diff) | |
| download | systemd-8bea7e700f5e73d9a92583f71647c9788defb843.tar.gz | |
sd-dhcp-client: do not crash if sd_dhcp_client_send_release() is called with no lease
Again, a public function should not crash if called at an inopportune moment.
Also, make sure we don't call the function if we have no lease.
Diffstat (limited to 'src/libsystemd-network')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-client.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c index 3f386db2f5..02f3569edc 100644 --- a/src/libsystemd-network/sd-dhcp-client.c +++ b/src/libsystemd-network/sd-dhcp-client.c @@ -1895,6 +1895,7 @@ int sd_dhcp_client_start(sd_dhcp_client *client) { int sd_dhcp_client_send_release(sd_dhcp_client *client) { assert_return(client, -EINVAL); assert_return(client->state != DHCP_STATE_STOPPED, -ESTALE); + assert_return(client->lease, -EUNATCH); _cleanup_free_ DHCPPacket *release = NULL; size_t optoffset, optlen; |