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[3.5.y.z,extended,stable] Patch "of: Fix missing memory initialization on FDT unflattening" has been added to staging queue

Message ID 1379705684-15832-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Sept. 20, 2013, 7:34 p.m. UTC
This is a note to let you know that I have just added a patch titled

    of: Fix missing memory initialization on FDT unflattening

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From e921631f67170b51d7d87983c902cc84e29b3843 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@linaro.org>
Date: Wed, 28 Aug 2013 21:24:17 +0100
Subject: [PATCH] of: Fix missing memory initialization on FDT unflattening

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
another.

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

--
1.8.3.2
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Patch

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)
 			continue;
+		memset(ap, 0, sizeof(*ap) + len + 1);
 		ap->alias = start;
 		of_alias_add(ap, np, id, start, len);
 	}