On Mon, Oct 28, 2013 at 05:54:39PM +0530, Rashika Kheria wrote:
> As suggested by Jerome Marchand "The code in reset_store get the block device
> (bdget_disk()) but it does not put it (bdput()) when it's done using it.
> The usage count is therefor incremented but never decremented."
> 
> Hence, this patch introduces a call to bdput() to decrement the variable 
> after usage.
> 
> Signed-off-by: Rashika Kheria <[email protected]>

I think this patch is for stable, too.
So, please read my previous reply.

And please relocate this with [2/3] and do bdput in all of error cases
in reset_store.

> ---
>  drivers/staging/zram/zram_drv.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
> index 9027975..98dac15 100644
> --- a/drivers/staging/zram/zram_drv.c
> +++ b/drivers/staging/zram/zram_drv.c
> @@ -664,6 +664,7 @@ static ssize_t reset_store(struct device *dev,
>  
>       /* Make sure all pending I/O is finished */
>       fsync_bdev(bdev);
> +     bdput(bdev);
>  
>       zram_reset_device(zram, true);
>       return len;
> -- 
> 1.7.9.5
> 
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-- 
Kind regards,
Minchan Kim
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