On Tue, 6 Nov 2012 17:13:44 +0800 majianpeng <majianpeng@xxxxxxxxx> wrote:
> This bug was introduced by commit(v3.0-rc7-126-g2230dfe).
> So fix is suitable for 3.0.y thru 3.6.y.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
> ---
> drivers/md/md.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index d63aa78..541c74c 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -7936,9 +7936,9 @@ 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;
>
> @@ -7953,7 +7953,8 @@ 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'
Applied, thanks.
NeilBrown
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