Re: [PATCH] scsi/be2iscsi: Fix logical-not-parentheses compilation warning

From: Johannes Thumshirn
Date: Fri Aug 07 2015 - 05:44:21 EST


Tomer Barletz <barletz@xxxxxxxxx> writes:

> This fixes the following warning seen with GCC v5.1:
> warning: logical not is only applied to the left hand side of
> comparison [-Wlogical-not-parentheses].
>
> Signed-off-by: Tomer Barletz <barletz@xxxxxxxxx>
> ---
> drivers/scsi/be2iscsi/be_main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
> index 7a6dbfb..cf1908e 100644
> --- a/drivers/scsi/be2iscsi/be_main.c
> +++ b/drivers/scsi/be2iscsi/be_main.c
> @@ -3184,7 +3184,7 @@ be_sgl_create_contiguous(void *virtual_address,
> {
> WARN_ON(!virtual_address);
> WARN_ON(!physical_address);
> - WARN_ON(!length > 0);
> + WARN_ON(length == 0);
> WARN_ON(!sgl);
>
> sgl->va = virtual_address;

Looks good.

Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>

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