From ea83cedcf625c35ddc6fe6b9390cdd1cca6b2039 Mon Sep 17 00:00:00 2001 From: Nathan Binkert Date: Fri, 19 Sep 2008 09:11:42 -0700 Subject: Check the return value of I/O operations for failure --- src/dev/ethertap.cc | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/dev/ethertap.cc') diff --git a/src/dev/ethertap.cc b/src/dev/ethertap.cc index c7b292c8a..f1fd1800b 100644 --- a/src/dev/ethertap.cc +++ b/src/dev/ethertap.cc @@ -182,8 +182,12 @@ EtherTap::recvPacket(EthPacketPtr packet) DPRINTF(Ethernet, "EtherTap output len=%d\n", packet->length); DDUMP(EthernetData, packet->data, packet->length); uint32_t len = htonl(packet->length); - write(socket, &len, sizeof(len)); - write(socket, packet->data, packet->length); + ssize_t ret = write(socket, &len, sizeof(len)); + if (ret != sizeof(len)) + return false; + ret = write(socket, packet->data, packet->length); + if (ret != packet->length) + return false; interface->recvDone(); -- cgit v1.2.3