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Groups > linux.kernel > #1653452
| From | David Miller <davem@davemloft.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH net] net/mlx5: avoid build warning for uniprocessor |
| Date | 2017-05-30 20:10 +0200 |
| Message-ID | <tMTKG-2ga-17@gated-at.bofh.it> (permalink) |
| References | <tMsAO-jT-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Arnd Bergmann <arnd@arndb.de>
Date: Mon, 29 May 2017 15:00:17 +0200
> Building the driver with CONFIG_SMP disabled results in a harmless
> warning:
>
> ethernet/mellanox/mlx5/core/main.c: In function 'mlx5_irq_set_affinity_hint':
> ethernet/mellanox/mlx5/core/main.c:615:6: error: unused variable 'irq' [-Werror=unused-variable]
>
> It's better to express the conditional compilation using IS_ENABLED()
> here, as that lets the compiler see what the intented use for the variable
> is, and that it can be silently discarded.
>
> Fixes: b665d98edc9a ("net/mlx5: Tolerate irq_set_affinity_hint() failures")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Applied, thank you.
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[PATCH net] net/mlx5: avoid build warning for uniprocessor Arnd Bergmann <arnd@arndb.de> - 2017-05-29 15:10 +0200 Re: [PATCH net] net/mlx5: avoid build warning for uniprocessor Saeed Mahameed <saeedm@dev.mellanox.co.il> - 2017-05-30 09:30 +0200 Re: [PATCH net] net/mlx5: avoid build warning for uniprocessor David Miller <davem@davemloft.net> - 2017-05-30 20:10 +0200
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