commit: 82b2521d257b5c0efd51821cf5fa306e53bbb6ba
From: Michael Neuling <[email protected]>
Date: Tue, 19 Jun 2012 20:01:45 +0000
Subject: powerpc: Fix uninitialised error in numa.c

chroma_defconfig currently gives me this with gcc 4.6:
  arch/powerpc/mm/numa.c:638:13: error: 'dm' may be used uninitialized in this 
function [-Werror=uninitialized]

It's a bogus warning/error since of_get_drconf_memory() only writes it
anyway.

Signed-off-by: Michael Neuling <[email protected]>
cc: <[email protected]> [v3.3+]
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
---
 arch/powerpc/mm/numa.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b6edbb3..6e8f677 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -635,7 +635,7 @@ static inline int __init read_usm_ranges(const u32 **usm)
  */
 static void __init parse_drconf_memory(struct device_node *memory)
 {
-       const u32 *dm, *usm;
+       const u32 *uninitialized_var(dm), *usm;
        unsigned int n, rc, ranges, is_kexec_kdump = 0;
        unsigned long lmb_size, base, size, sz;
        int nid;
-- 
1.7.3.4
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