[PATCH 063/104] of: Fix missing memory initialization on FDT unflattening

From: Luis Henriques
Date: Mon Sep 30 2013 - 06:25:12 EST -stable review patch. If anyone has any objections, please let me know.


From: Grant Likely <grant.likely@xxxxxxxxxx>

commit 0640332e073be9207f0784df43595c0c39716e42 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

Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxx>
Acked-by: Wladislav Wiebe <wladislav.kw@xxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
drivers/of/base.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index d9bfd49..226beaa 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1227,6 +1227,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
ap = dt_alloc(sizeof(*ap) + len + 1, 4);
if (!ap)
+ memset(ap, 0, sizeof(*ap) + len + 1);
ap->alias = start;
of_alias_add(ap, np, id, start, len);

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/