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-rw-r--r--networking/tftp.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/networking/tftp.c b/networking/tftp.c
index 07d672d..eb39e9c 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -653,8 +653,15 @@ int tftpd_main(int argc UNUSED_PARAM, char **argv)
INIT_G();
our_lsa = get_sock_lsa(STDIN_FILENO);
- if (!our_lsa)
- bb_perror_msg_and_die("stdin is not a socket");
+ if (!our_lsa) {
+ /* This is confusing:
+ *bb_error_msg_and_die("stdin is not a socket");
+ * Better: */
+ bb_show_usage();
+ /* Help text says that tftpd must be used as inetd service,
+ * which is by far the most usual cause of get_sock_lsa
+ * failure */
+ }
peer_lsa = xzalloc(LSA_LEN_SIZE + our_lsa->len);
peer_lsa->len = our_lsa->len;