When embedding the scope ID in MLDv1 output, check if the scope of the address

being embedded is in fact link-local, before attempting to embed it.

Note that this operation is a side-effect of trying to avoid recursion on
the IN6 scope lock.

PR:		144560
Submitted by:	Petr Lampa
MFC after:	3 days

This commit is contained in:

Bruce M Simpson

2010-04-10 12:24:21 +00:00

parent 89fcb8cfa7

commit f1014c074d

1 changed files with 4 additions and 2 deletions

									
										sys/netinet6/mld6.c
									
		+3
		-1
	
												View File
												
				@@ -196,7 +196,9 @@ static struct mtx		 mld_mtx;

				MALLOC_DEFINE(M_MLD, "mld", "mld state");

				#define	MLD_EMBEDSCOPE(pin6, zoneid)					\

					(pin6)->s6_addr16[1] = htons((zoneid) & 0xFFFF)

					if (IN6_IS_SCOPE_LINKLOCAL(pin6) ||				\

					    IN6_IS_ADDR_MC_INTFACELOCAL(pin6))				\

						(pin6)->s6_addr16[1] = htons((zoneid) & 0xFFFF)		\

				/*

				 * VIMAGE-wide globals.