From: Victor Julien <vjulien@oisf.net>
Date: Tue, 20 Feb 2024 15:07:37 +0000 (+0100)
Subject: af-xdp: suppress cppcheck false positive
X-Git-Tag: suricata-8.0.0-beta1~1718
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F10486%2Fhead;p=thirdparty%2Fsuricata.git

af-xdp: suppress cppcheck false positive

As the cppcheck test suite does as well:
https://github.com/danmar/cppcheck/blob/main/test/cfg/posix.c#L311

Requires cppcheck --inline-suppr option to be used.
---

diff --git a/src/source-af-xdp.c b/src/source-af-xdp.c
index 17fa0efeec..b69fd497dc 100644
--- a/src/source-af-xdp.c
+++ b/src/source-af-xdp.c
@@ -580,6 +580,7 @@ static inline ssize_t WakeupSocket(void *data)
 
     /* Assuming kernel >= 5.11 in use if xdp_busy_poll is enabled */
     if (ptv->xsk.enable_busy_poll || xsk_ring_prod__needs_wakeup(&ptv->umem.fq)) {
+        // cppcheck-suppress nullPointer
         res = recvfrom(xsk_socket__fd(ptv->xsk.xsk), NULL, 0, MSG_DONTWAIT, NULL, NULL);
     }