git: 8f0ea068db8a - stable/15 - netinet6: Fix memory leak on auto_linklocal

The branch stable/15 has been updated by pouria:

URL: https://cgit.FreeBSD.org/src/commit/?id=8f0ea068db8a4b48575146579f30f6ef4fff6584

commit 8f0ea068db8a4b48575146579f30f6ef4fff6584
Author:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
AuthorDate: 2026-03-02 15:24:23 +0000
Commit:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
CommitDate: 2026-03-09 09:36:40 +0000

    netinet6: Fix memory leak on auto_linklocal
    
    release the refcount of link-local prefix information to ensure
    it gets freed when the address is deleted.
    
    Reviewed By: zlei, ivy
    MFC after: 1 week
    Differential Revision: https://reviews.freebsd.org/D55593
    
    (cherry picked from commit b55bffeaaf9bae5dc7aa21eae441d89c999ebab8)
---
 sys/netinet6/in6_ifattach.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/netinet6/in6_ifattach.c b/sys/netinet6/in6_ifattach.c
index c9e951e93ec8..c35bc16903a2 100644
--- a/sys/netinet6/in6_ifattach.c
+++ b/sys/netinet6/in6_ifattach.c
@@ -629,8 +629,8 @@ in6_ifattach_linklocal(struct ifnet *ifp, struct ifnet *altifp)
 		/* Reference prefix */
 		ia->ia6_ndpr = pr;
 		pr->ndpr_addrcnt++;
-	} else
-		nd6_prefix_rele(pr);
+	}
+	nd6_prefix_rele(pr);
 
 	return 0;
 }