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-rw-r--r--networking/tftp.c12
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;
}