git: b658c0fce10a - main - ip_mroute: Delete unreachable code

The branch main has been updated by zlei:

URL: https://cgit.FreeBSD.org/src/commit/?id=b658c0fce10a06493dc468fc9f6699120473e17b

commit b658c0fce10a06493dc468fc9f6699120473e17b
Author:     Zhenlei Huang <zlei@FreeBSD.org>
AuthorDate: 2023-04-23 04:47:57 +0000
Commit:     Zhenlei Huang <zlei@FreeBSD.org>
CommitDate: 2023-04-23 04:47:57 +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
---
 sys/netinet/ip_mroute.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c
index 15abe168e5c2..ac5e1c5f09c6 100644
--- a/sys/netinet/ip_mroute.c
+++ b/sys/netinet/ip_mroute.c
@@ -2821,11 +2821,6 @@ 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");
-			MRW_LOCK_DESTROY();
-			return (EINVAL);
-		}
 
 		ip_mcast_src = X_ip_mcast_src;
 		ip_mforward = X_ip_mforward;