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nfs: fix dead code of ipv6_addr_scope 

The correct way to check on IPV6_ADDR_SCOPE_LINKLOCAL is to check with
the ipv6_addr_src_scope function.

Currently this can't be work, because ipv6_addr_scope returns a int with
a mask of IPV6_ADDR_SCOPE_MASK (0x00f0U) and IPV6_ADDR_SCOPE_LINKLOCAL
is 0x02. So the condition is always false.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Alexander Aring 2013-12-21 05:39:04 +01:00 committed by Trond Myklebust
parent 6ff33b7dd0
commit a8c2275493
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/nfs4filelayoutdev.c
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@ -95,7 +95,7 @@ same_sockaddr(struct sockaddr *addr1, struct sockaddr *addr2)
b6 = (struct sockaddr_in6 *)addr2; b6 = (struct sockaddr_in6 *)addr2;
/* LINKLOCAL addresses must have matching scope_id */ /* LINKLOCAL addresses must have matching scope_id */
if (ipv6_addr_scope(&a6->sin6_addr) == if (ipv6_addr_src_scope(&a6->sin6_addr) ==
IPV6_ADDR_SCOPE_LINKLOCAL && IPV6_ADDR_SCOPE_LINKLOCAL &&
a6->sin6_scope_id != b6->sin6_scope_id) a6->sin6_scope_id != b6->sin6_scope_id)
return false; return false;