RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-30 17:38:12 +00:00
Code Issues Activity Actions

Kernel: Make UserOrKernelBuffer return KResult from read/write/memset

Browse source 
This allows us to simplify a whole bunch of call sites with TRY(). :^)
This commit is contained in:
Andreas Kling 2021-09-07 12:09:52 +02:00
parent 7bf8844499
commit b481132418
29 changed files with 85 additions and 118 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Kernel/Net/UDPSocket.cpp
View file

@ -65,8 +65,8 @@ KResultOr<size_t> UDPSocket::protocol_receive(ReadonlyBytes raw_ipv4_packet, Use
auto& udp_packet = *static_cast<const UDPPacket*>(ipv4_packet.payload());
VERIFY(udp_packet.length() >= sizeof(UDPPacket)); // FIXME: This should be rejected earlier.
size_t read_size = min(buffer_size, udp_packet.length() - sizeof(UDPPacket));
if (!buffer.write(udp_packet.payload(), read_size))
return set_so_error(EFAULT);
if (auto result = buffer.write(udp_packet.payload(), read_size); result.is_error())
return set_so_error(result);
return read_size;
}
@ -86,8 +86,8 @@ KResultOr<size_t> UDPSocket::protocol_send(const UserOrKernelBuffer& data, size_
udp_packet.set_source_port(local_port());
udp_packet.set_destination_port(peer_port());
udp_packet.set_length(udp_buffer_size);
if (!data.read(udp_packet.payload(), data_length))
return set_so_error(EFAULT);
if (auto result = data.read(udp_packet.payload(), data_length); result.is_error())
return set_so_error(result);
routing_decision.adapter->fill_in_ipv4_header(*packet, local_address(), routing_decision.next_hop,
peer_address(), IPv4Protocol::UDP, udp_buffer_size, ttl());