From 5462eddd7a78131ccb514d52473625d99769215e Mon Sep 17 00:00:00 2001
From: Somnath Kotur <somnath.kotur@emulex.com>
Date: Sat, 16 Nov 2013 09:30:01 +0530
Subject: [PATCH] RDMA/cma: Handle global/non-linklocal IPv6 addresses in
 cma_check_linklocal()

If addr is not a linklocal address, the code incorrectly fails to
return and ends up assigning the scope ID to the scope id of the
address, which is wrong.  Fix by checking if it's a link local address
first, and immediately return 0 if not.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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