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-rw-r--r--networking/telnetd.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 1de3abc..303ef1b 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -192,8 +192,16 @@ safe_write_to_pty_decode_iac(struct tsession *ts)
/* Literal 255 (emacs M-DEL) */
//bb_error_msg("255!");
rc = safe_write(ts->ptyfd, &buf[1], 1);
+ /*
+ * If we went through buffered_IAC_for_pty==1 path,
+ * bailing out on error like below messes up the buffer.
+ * EAGAIN is highly unlikely here, other errors will be
+ * repeated on next write, let's just skip error check.
+ */
+#if 0
if (rc <= 0)
return rc;
+#endif
rc = 2;
goto update_and_return;
}