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[3.5.y.z,extended,stable] Patch "md: Reassigned the parameters if read_seqretry returned true" has been added to staging queue

Message ID 1355149139-8515-1-git-send-email-herton.krzesinski@canonical.com
State New
Headers show

Commit Message

Herton Ronaldo Krzesinski Dec. 10, 2012, 2:18 p.m. UTC
This is a note to let you know that I have just added a patch titled

    md: Reassigned the parameters if read_seqretry returned true

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.
-Herton

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From a20b3eab33e937e1d5e0e309955b6e12419021e4 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@gmail.com>
Date: Tue, 6 Nov 2012 17:13:44 +0800
Subject: [PATCH] md: Reassigned the parameters if read_seqretry returned true
 in func md_is_badblock.

commit ab05613a0646dcc11049692d54bae76ca9ffa910 upstream.

This bug was introduced by commit(v3.0-rc7-126-g2230dfe).
So fix is suitable for 3.0.y thru 3.6.y.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
 drivers/md/md.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--
1.7.9.5
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Patch

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6fc0c26..e977874 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7960,9 +7960,9 @@  int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,
 		   sector_t *first_bad, int *bad_sectors)
 {
 	int hi;
-	int lo = 0;
+	int lo;
 	u64 *p = bb->page;
-	int rv = 0;
+	int rv;
 	sector_t target = s + sectors;
 	unsigned seq;

@@ -7977,7 +7977,8 @@  int md_is_badblock(struct badblocks *bb, sector_t s, int sectors,

 retry:
 	seq = read_seqbegin(&bb->lock);
-
+	lo = 0;
+	rv = 0;
 	hi = bb->count;

 	/* Binary search between lo and hi for 'target'