DragonFlyBSD Kernel Audit
DF-1461 / fix.diff
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diff --git a/sys/dev/netif/txp/if_txp.c b/sys/dev/netif/txp/if_txp.c
--- a/sys/dev/netif/txp/if_txp.c
+++ b/sys/dev/netif/txp/if_txp.c
@@ -792,8 +792,9 @@
 
 err_mbuf:
 	m_freem(sd->sd_mbuf);
+	sd->sd_mbuf = NULL;
 err_sd:
-	kfree(sd, M_DEVBUF);
+	return;
 }
 
 /*