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net: socket: packet: Fix memory leak #34475

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Apr 23, 2021
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net: socket: packet: Fix memory leak #34475

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10 changes: 10 additions & 0 deletions samples/net/sockets/packet/src/packet.c
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Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,16 @@ static int send_packet_socket(struct packet_data *packet)
}
}

/* If we have received any data, flush it here in order to
* not to leak memory in IP stack.
*/
do {
static char recv_buffer[RECV_BUFFER_SIZE];

ret = recv(packet->send_sock, recv_buffer,
sizeof(recv_buffer), MSG_DONTWAIT);
} while (ret > 0);

if (!FLOOD) {
k_msleep(WAIT_TIME);
}
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