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of: Fix missing memory initialization on FDT unflattening

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commit 0640332e07 upstream.

Any calls to dt_alloc() need to be zeroed. This is a temporary fix, but
the allocation function itself needs to zero memory before returning
it. This is a follow up to patch 9e4012752, "of: fdt: fix memory
initialization for expanded DT" which fixed one call site but missed
another.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Wladislav Wiebe <wladislav.kw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Grant Likely
2013-08-28 21:24:17 +01:00
committed by Greg Kroah-Hartman
parent c0da08882e
commit 6830e9ab4b
1 changed files with 1 additions and 0 deletions
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1
drivers/of/base.c
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@@ -1629,6 +1629,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
ap = dt_alloc(sizeof(*ap) + len + 1, 4);
if (!ap)
continue;
memset(ap, 0, sizeof(*ap) + len + 1);
ap->alias = start;
of_alias_add(ap, np, id, start, len);
}