From: Francois-Xavier Le Bail <devel.fx.lebail@orange.fr>
Date: Wed, 2 Mar 2022 20:48:43 +0000 (+0100)
Subject: RESP: Fix an invalid check
X-Git-Url: https://git.tcpdump.org/tcpdump/commitdiff_plain/9fe73b290d70525e1cae59bb55087ef81baf08e8?hp=c43334b0d460eaee9de0a9186f2fb16ffe3d9ca9

RESP: Fix an invalid check

Fix this cppcheck warning:
print-resp.c:215:22: warning: Checking if unsigned expression 'length'
is less than zero. [unsignedLessThanZero]
    if(!bp || length <= 0)
                     ^
---

diff --git a/print-resp.c b/print-resp.c
index 00a6e257..c5d67be4 100644
--- a/print-resp.c
+++ b/print-resp.c
@@ -212,7 +212,7 @@ resp_print(netdissect_options *ndo, const u_char *bp, u_int length)
     int ret_len = 0, length_cur = length;
 
     ndo->ndo_protocol = "resp";
-    if(!bp || length <= 0)
+    if(!bp || length == 0)
         return;
 
     ND_PRINT(": RESP");