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[3.8.y.z,extended,stable] Patch "crypto: scatterwalk - Use sg_chain_ptr on chain entries" has been added to staging queue

Message ID 1387572792-21791-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Dec. 20, 2013, 8:53 p.m. UTC
This is a note to let you know that I have just added a patch titled

    crypto: scatterwalk - Use sg_chain_ptr on chain entries

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 3.8.13.15.

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 6ac049fb76c7f86d4c05785d90f886dbe3e52923 Mon Sep 17 00:00:00 2001
From: Tom Lendacky <thomas.lendacky@amd.com>
Date: Thu, 5 Dec 2013 13:09:53 -0600
Subject: crypto: scatterwalk - Use sg_chain_ptr on chain entries

commit 389a5390583a18e45bc4abd4439291abec5e7a63 upstream.

Now that scatterwalk_sg_chain sets the chain pointer bit the sg_page
call in scatterwalk_sg_next hits a BUG_ON when CONFIG_DEBUG_SG is
enabled. Use sg_chain_ptr instead of sg_page on a chain entry.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 include/crypto/scatterwalk.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.8.3.2
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Patch

diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 09ef1a0..2cddd2b 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -44,7 +44,7 @@  static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
 	if (sg_is_last(sg))
 		return NULL;

-	return (++sg)->length ? sg : (void *)sg_page(sg);
+	return (++sg)->length ? sg : sg_chain_ptr(sg);
 }

 static inline void scatterwalk_crypto_chain(struct scatterlist *head,