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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>
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@ -95,7 +95,7 @@ same_sockaddr(struct sockaddr *addr1, struct sockaddr *addr2)
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b6 = (struct sockaddr_in6 *)addr2;
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/* LINKLOCAL addresses must have matching scope_id */
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if (ipv6_addr_scope(&a6->sin6_addr) ==
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if (ipv6_addr_src_scope(&a6->sin6_addr) ==
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IPV6_ADDR_SCOPE_LINKLOCAL &&
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a6->sin6_scope_id != b6->sin6_scope_id)
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return false;
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