On Fri, Jul 14, 2017 at 11:31:04AM +0200, Arnd Bergmann wrote:
> When using ccache, 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 changes the macro to explicitly check the number for a positive
> length, which avoids the warning.
>
> Fixes: a96e4e2ffe43 ("IB/uverbs: New macro to set pointers to NULL if length
> is 0 in INIT_UDATA()")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> ---
> drivers/infiniband/core/uverbs.h | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>Thanks, Reviewed-by: Leon Romanovsky <leo...@mellanox.com>
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