Re: [PATCH v2] md: fix a build warning

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On Thu, 11 Jun 2015 09:41:10 +0800
Firo Yang <firogm@xxxxxxxxx> wrote:

> Warning like this:
> 
> drivers/md/md.c: In function ‘update_array_info’:
> drivers/md/md.c:6394:26: warning: logical not is only applied
> to the left hand side of comparison [-Wlogical-not-parentheses]
>       !mddev->persistent  != info->not_persistent||
> 
> Fix it as Neil Brown said:
> mddev->persistent != !info->not_persistent ||
> 
> Signed-off-by: Firo Yang <firogm@xxxxxxxxx>
> ---
>  drivers/md/md.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index dd85be9..a3528b9 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -6391,7 +6391,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info)
>  	    mddev->ctime         != info->ctime         ||
>  	    mddev->level         != info->level         ||
>  /*	    mddev->layout        != info->layout        || */
> -	    !mddev->persistent	 != info->not_persistent||
> +	    mddev->persistent	 != !info->not_persistent ||
>  	    mddev->chunk_sectors != info->chunk_size >> 9 ||
>  	    /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */
>  	    ((state^info->state) & 0xfffffe00)


applied, thanks.

NeilBrown
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