[PATCH 3.16.y-ckt 041/168] MIPS: IP27: Fix __node_distances undefined error

[Luis Henriques]

3.16.7-ckt3 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: James Cowgill <James.Cowgill@xxxxxxxxxx>

commit 5829b0ecc584d15ae4eeabe69f2ab554bdec4689 upstream.

export the __node_distances symbol in the ip27 memory code to fix the
build error:

  Building modules, stage 2.
  MODPOST 311 modules
ERROR: "__node_distances" [drivers/block/nvme.ko] undefined!
scripts/Makefile.modpost:90: recipe for target '__modpost' failed

when building the kernel with:
 CONFIG_SGI_IP27=y
 CONFIG_BLK_DEV_NVME=m

Signed-off-by: James Cowgill <James.Cowgill@xxxxxxxxxx>
Reviewed-by: James Hogan <james.hogan@xxxxxxxxxx>
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 arch/mips/sgi-ip27/ip27-memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index a95c00f5fb96..a304bcc37e4f 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -107,6 +107,7 @@ static void router_recurse(klrou_t *router_a, klrou_t *router_b, int depth)
 }
 
 unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
+EXPORT_SYMBOL(__node_distances);
 
 static int __init compute_node_distance(nasid_t nasid_a, nasid_t nasid_b)
 {
-- 
2.1.3

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