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Date:      Sun, 6 Aug 2023 20:36:25 GMT
From:      Marius Strobl <marius@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: b59b3443f39d - stable/13 - gif(4): Assert that gif_output() isn't called for EtherIP
Message-ID:  <202308062036.376KaPB0042652@gitrepo.freebsd.org>

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The branch stable/13 has been updated by marius:

URL: https://cgit.FreeBSD.org/src/commit/?id=b59b3443f39d2b7d6c631094fde7723e0aec1319

commit b59b3443f39d2b7d6c631094fde7723e0aec1319
Author:     Marius Strobl <marius@FreeBSD.org>
AuthorDate: 2023-07-23 16:58:42 +0000
Commit:     Marius Strobl <marius@FreeBSD.org>
CommitDate: 2023-08-06 17:17:30 +0000

    gif(4): Assert that gif_output() isn't called for EtherIP
    
    With the current implementation of if_bridge(4), bridge_enqueue()
    calls gif_transmit() only. Ensure it stays that way so that the
    expectations in both drivers are either met or changed accordingly.
    
    PR:             227450
    (cherry picked from commit 8a0308722372a3ac6a94967ae4fe3123842309e2)
---
 sys/net/if_gif.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/net/if_gif.c b/sys/net/if_gif.c
index 4d2c1dcf091d..343c1cd070ad 100644
--- a/sys/net/if_gif.c
+++ b/sys/net/if_gif.c
@@ -406,6 +406,9 @@ gif_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst,
 {
 	uint32_t af;
 
+	KASSERT(ifp->if_bridge == NULL,
+	    ("%s: unexpectedly called with bridge attached", __func__));
+
 	if (dst->sa_family == AF_UNSPEC)
 		memcpy(&af, dst->sa_data, sizeof(af));
 	else



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