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

Message ID 1379637376-13301-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Sept. 20, 2013, 12:36 a.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-3.8.y-queue branch of the 3.8.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-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.10.

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

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From f5ac8afa1e060c33dd746ec4cc0418240996266f Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@linaro.org>
Date: Wed, 28 Aug 2013 21:24:17 +0100
Subject: 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: Kamal Mostafa <kamal@canonical.com>
---
 drivers/of/base.c | 1 +
 1 file changed, 1 insertion(+)

--
1.8.1.2
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Patch

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 2390ddb..8d6faae 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1482,6 +1482,7 @@  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);
 	}