Date: Wed, 17 May 2023 09:59:12 GMT From: Zhenlei Huang <zlei@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: ece63e96c364 - stable/13 - ip_mroute: Delete unreachable code Message-ID: <202305170959.34H9xC0S039309@gitrepo.freebsd.org>
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The branch stable/13 has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=ece63e96c364679e19c124d145abe5af789d1948 commit ece63e96c364679e19c124d145abe5af789d1948 Author: Zhenlei Huang <zlei@FreeBSD.org> AuthorDate: 2023-04-23 04:47:57 +0000 Commit: Zhenlei Huang <zlei@FreeBSD.org> CommitDate: 2023-05-17 09:57:07 +0000 ip_mroute: Delete unreachable code As the flag M_WAITOK is passed to ip_encap_attach(), then the function will never return NULL, and the following code within NULL check branch will be unreachable. No functional change intended. Reviewed by: kp Fixes: 6d8fdfa9d5e7d Rework IP encapsulation handling code MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D39746 (cherry picked from commit b658c0fce10a06493dc468fc9f6699120473e17b) --- sys/netinet/ip_mroute.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c index 6aeea44f631c..39d2e1c26a48 100644 --- a/sys/netinet/ip_mroute.c +++ b/sys/netinet/ip_mroute.c @@ -2891,13 +2891,6 @@ ip_mroute_modevent(module_t mod, int type, void *unused) &pim_squelch_wholepkt); pim_encap_cookie = ip_encap_attach(&ipv4_encap_cfg, NULL, M_WAITOK); - if (pim_encap_cookie == NULL) { - printf("ip_mroute: unable to attach pim encap\n"); - VIF_LOCK_DESTROY(); - MFC_LOCK_DESTROY(); - MROUTER_LOCK_DESTROY(); - return (EINVAL); - } ip_mcast_src = X_ip_mcast_src; ip_mforward = X_ip_mforward;
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