From: <gregkh@linuxfoundation.org>
To: boris.brezillon@free-electrons.com, gregkh@linuxfoundation.org,
richard@nod.at
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header" has been added to the 4.8-stable tree
Date: Wed, 09 Nov 2016 11:27:15 +0100 [thread overview]
Message-ID: <14786872357179@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header
to the 4.8-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:
ubi-fastmap-scrub-peb-when-bitflips-are-detected-in-a-free-peb-ec-header.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From ecbfa8eabae9cd73522d1d3d15869703c263d859 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@free-electrons.com>
Date: Fri, 16 Sep 2016 16:59:12 +0200
Subject: UBI: fastmap: scrub PEB when bitflips are detected in a free PEB EC header
From: Boris Brezillon <boris.brezillon@free-electrons.com>
commit ecbfa8eabae9cd73522d1d3d15869703c263d859 upstream.
scan_pool() does not mark the PEB for scrubing when bitflips are
detected in the EC header of a free PEB (VID header region left to
0xff).
Make sure we scrub the PEB in this case.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: dbb7d2a88d2a ("UBI: Add fastmap core")
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mtd/ubi/fastmap.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -515,10 +515,11 @@ static int scan_pool(struct ubi_device *
unsigned long long ec = be64_to_cpu(ech->ec);
unmap_peb(ai, pnum);
dbg_bld("Adding PEB to free: %i", pnum);
+
if (err == UBI_IO_FF_BITFLIPS)
- add_aeb(ai, free, pnum, ec, 1);
- else
- add_aeb(ai, free, pnum, ec, 0);
+ scrub = 1;
+
+ add_aeb(ai, free, pnum, ec, scrub);
continue;
} else if (err == 0 || err == UBI_IO_BITFLIPS) {
dbg_bld("Found non empty PEB:%i in pool", pnum);
Patches currently in stable-queue which might be from boris.brezillon@free-electrons.com are
queue-4.8/ubi-fastmap-scrub-peb-when-bitflips-are-detected-in-a-free-peb-ec-header.patch
queue-4.8/ubi-fastmap-fix-add_vol-return-value-test-in-ubi_attach_fastmap.patch
reply other threads:[~2016-11-09 10:27 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=14786872357179@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=boris.brezillon@free-electrons.com \
--cc=richard@nod.at \
--cc=stable-commits@vger.kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.