Re: [PATCH 3/4] selftests/cgroup: cpu_hogger init: use {} instead of {NULL}

[Roman Gushchin]

On Thu, May 02, 2024 at 08:51:04PM -0700, John Hubbard wrote:
> First of all, in order to build with clang at all, one must first apply
> Valentin Obst's build fix for LLVM [1]. Once that is done, then when
> building with clang, via:
> 
>     make LLVM=1 -C tools/testing/selftests
> 
> ...clang generates warning here, because struct cpu_hogger has multiple
> fields, and the code is initializing an array of these structs, and it
> is incorrect to specify a single NULL value as the initializer.
> 
> Fix this by initializing with {}, so that the compiler knows to use
> default initializer values for all fields in each array entry.
> 
> [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9ed7d1c49f@xxxxxxxxxxxxxxx/
> 
> Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>

Reviewed-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>