From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 6 Oct 2025 16:25:55 +0000 (+0200)
Subject: tftp: return error if it hits an illegal state
X-Git-Tag: rc-8_17_0-1~93
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3660e6da80764b7dc184af51556d158d5a352a48;p=thirdparty%2Fcurl.git

tftp: return error if it hits an illegal state

Reported-by: Joshua Rogers
Closes #18894
---

diff --git a/lib/tftp.c b/lib/tftp.c
index 56b7afda52..8279f29e65 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -564,7 +564,7 @@ static CURLcode tftp_send_first(struct tftp_conn *state,
 
   default:
     failf(state->data, "tftp_send_first: internal error");
-    break;
+    return CURLE_TFTP_ILLEGAL;
   }
 
   return result;