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Kernel: Fix null dereference in IPv4Socket::receive_packet_buffered()

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This was a mistake in the move away from KBuffer-as-a-value type.
We need to check `packet` here, not `packet->data`.

Regressed in b300f9aa2f.

Fixes #9888.
This commit is contained in:
Andreas Kling 2021-09-10 03:06:32 +02:00
parent 8fabaaa2a8
commit 3164e22f9b
1 changed files with 2 additions and 1 deletions
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3
Kernel/Net/IPv4Socket.cpp
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@ -312,7 +312,8 @@ KResultOr<size_t> IPv4Socket::receive_packet_buffered(OpenFileDescription& descr
m_receive_queue.size()); m_receive_queue.size());
} }
} }
if (!packet->data) {
if (!packet) {
if (protocol_is_disconnected()) { if (protocol_is_disconnected()) {
dbgln("IPv4Socket({}) is protocol-disconnected, returning 0 in recvfrom!", this); dbgln("IPv4Socket({}) is protocol-disconnected, returning 0 in recvfrom!", this);
return 0; return 0;