diff options
| -rw-r--r-- | networking/tftp.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/networking/tftp.c b/networking/tftp.c index e32c5de38..e1b6f403c 100644 --- a/networking/tftp.c +++ b/networking/tftp.c @@ -150,7 +150,7 @@ static int tftp(const int cmd, const struct hostent *host, socklen_t fromlen; fd_set rfds; int socketfd; - int len, itmp; + int len; int opcode = 0; int finished = 0; int timeout = TFTP_NUM_RETRIES; @@ -308,8 +308,8 @@ static int tftp(const int cmd, const struct hostent *host, FD_ZERO(&rfds); FD_SET(socketfd, &rfds); - itmp = select(socketfd + 1, &rfds, NULL, NULL, &tv); - if (itmp == 1) { + switch (select(socketfd + 1, &rfds, NULL, NULL, &tv)) { + case 1: len = recvfrom(socketfd, buf, tftp_bufsize, 0, (struct sockaddr *) &from, &fromlen); @@ -330,8 +330,7 @@ static int tftp(const int cmd, const struct hostent *host, /* fall-through for bad packets! */ /* discard the packet - treat as timeout */ timeout = TFTP_NUM_RETRIES; - - } else if (itmp == 0) { + case 0: bb_error_msg("timeout"); timeout--; @@ -340,8 +339,7 @@ static int tftp(const int cmd, const struct hostent *host, bb_error_msg("last timeout"); } break; - - } else { + default: bb_perror_msg("select"); len = -1; } |