Patch "dm verity fec: fix block calculation" has been added to the 4.7-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
dm verity fec: fix block calculation
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
dm-verity-fec-fix-block-calculation.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
602d1657c603eedd7379a8bcde1ad3a2972ecc5fMon Sep 17 00:00:00 2001
From: Sami Tolvanen <[email protected]>
Date: Tue, 21 Jun 2016 11:02:42 -0700
Subject: dm verity fec: fix block calculation
From: Sami Tolvanen <[email protected]>
commit 602d1657c603eedd7379a8bcde1ad3a2972ecc5f upstream.
do_div was replaced with div64_u64 at some point, causing a bug with block calculation due to incompatible semantics of the two functions.
--- drivers/md/dm-verity-fec.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
drivers/md/dm-verity-fec.c +1 -3
@@ -453,9 +453,7 @@ int verity_fec_decode(struct dm_verity **/ offset = block << v->data_dev_block_bits; - - res = offset; -div64_u64 (res, v->fec->rounds << v->data_dev_block_bits); + res =div64_u64 (offset, v->fec->rounds << v->data_dev_block_bits);/* * The base RS block we can feed to the interleaver to find out all
Patches currently in stable-queue which might be from [email protected] are
queue-4.7/dm-verity-fec-fix-block-calculation.patch