From 997ba1d905d91d62f23fee1fe43c7faa2c44a44b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Frank=20K=C3=BChndel?= Date: Fri, 16 Sep 2022 19:07:18 +0200 Subject: tftpDriver.c: Fix Coverity issues CID 1506523: Unchecked return value from library (CHECKED_RETURN) CID 1506522: Unchecked return value from library (CHECKED_RETURN) CID 1437618: Unchecked return value from library (CHECKED_RETURN) Close #4718 --- cpukit/libfs/src/ftpfs/tftpDriver.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) (limited to 'cpukit/libfs') diff --git a/cpukit/libfs/src/ftpfs/tftpDriver.c b/cpukit/libfs/src/ftpfs/tftpDriver.c index 59136ef59f..0246ed9611 100644 --- a/cpukit/libfs/src/ftpfs/tftpDriver.c +++ b/cpukit/libfs/src/ftpfs/tftpDriver.c @@ -525,8 +525,10 @@ static void send_error ( /* * Send it + * + * Ignoring result because error packets are sent once and maybe lost. */ - sendto (tp->socket, (char *)&msg, len, 0, (struct sockaddr *)to, sizeof *to); + (void) sendto (tp->socket, (char *)&msg, len, 0, (struct sockaddr *)to, sizeof *to); } /* @@ -552,11 +554,21 @@ getPacket (struct tftpStream *tp, int retryCount) } else if (retryCount == 0) { tv.tv_sec = tp->config.first_timeout / 1000L; tv.tv_usec = (tp->config.first_timeout % 1000L) * 1000L; - setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv); + /* + * Ignoring result because all possible errors indicate wrong + * arguments and these arguments are OK as tested by test suite. + */ + (void) setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, + sizeof tv); } else { tv.tv_sec = tp->config.timeout / 1000L; tv.tv_usec = (tp->config.timeout % 1000L) * 1000L; - setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv); + /* + * Ignoring result because all possible errors indicate wrong + * arguments and these arguments are OK as tested by test suite. + */ + (void) setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, + sizeof tv); } for (;;) { union { @@ -591,7 +603,12 @@ getPacket (struct tftpStream *tp, int retryCount) if (retryCount != GET_PACKET_DONT_WAIT) { tv.tv_sec = 0; tv.tv_usec = 0; - setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv); + /* + * Ignoring result because all possible errors indicate wrong + * arguments and these arguments are OK as tested by test suite. + */ + (void) setsockopt (tp->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, + sizeof tv); } return len; } @@ -724,7 +741,7 @@ static int process_data_packet (struct tftpStream *tp, ssize_t len) /* * Send it. Errors during send will not matter for this last ACK. */ - sendto ( + (void) sendto ( tp->socket, send_buf, plen, -- cgit v1.2.3