From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 6 Oct 2025 13:01:48 +0000 (+0200)
Subject: telnet: send failure logged but not returned
X-Git-Tag: rc-8_17_0-1~98
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e214b1450186538e1336aa1f9c7b90e197bed092;p=thirdparty%2Fcurl.git

telnet: send failure logged but not returned

Return error correctly when sending fails.

Reported-by: Joshua Rogers
Closes #18887
---

diff --git a/lib/telnet.c b/lib/telnet.c
index 5144a1afa1..6eb60706c9 100644
--- a/lib/telnet.c
+++ b/lib/telnet.c
@@ -984,6 +984,7 @@ static CURLcode suboption(struct Curl_easy *data, struct TELNET *tn)
       if(bytes_written < 0) {
         err = SOCKERRNO;
         failf(data,"Sending data failed (%d)",err);
+        return CURLE_SEND_ERROR;
       }
       printsub(data, '>', &temp[2], len-2);
       break;