Re: [PATCH 1/2] [v2] IB/uverbs: clean up INIT_UDATA_BUF_OR_NULL usage

From: Doug Ledford
Date: Wed Sep 27 2017 - 09:09:50 EST


On Wed, 2017-09-06 at 23:34 +0200, Arnd Bergmann wrote:
> We get a harmless warning about the fact that we use the result of a
> multiplication as a condition:
>
> drivers/infiniband/core/uverbs_main.c: In function 'ib_uverbs_write':
> drivers/infiniband/core/uverbs_main.c:787:40: error: '*' in boolean
> context, suggest '&&' instead [-Werror=int-in-bool-context]
> drivers/infiniband/core/uverbs_main.c:787:117: error: '*' in boolean
> context, suggest '&&' instead [-Werror=int-in-bool-context]
> drivers/infiniband/core/uverbs_main.c:790:50: error: '*' in boolean
> context, suggest '&&' instead [-Werror=int-in-bool-context]
> drivers/infiniband/core/uverbs_main.c:790:151: error: '*' in boolean
> context, suggest '&&' instead [-Werror=int-in-bool-context]
>
> This avoids the problem by using an inline function in place of
> the macro.
>
> Fixes: a96e4e2ffe43 ("IB/uverbs: New macro to set pointers to NULL if
> length is 0 in INIT_UDATA()")
> Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Link: https://patchwork.kernel.org/patch/9940777/
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Thanks, applied.

--
Doug Ledford <dledford@xxxxxxxxxx>
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