Re: drivers/net/wireless/ath/ath10k/sdio.c:2234:2: warning: Non-boolean value returned from function returning bool

From: Kalle Valo
Date: Mon Nov 16 2020 - 02:54:03 EST


+ ath10k list

kernel test robot <rong.a.chen@xxxxxxxxx> writes:

> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1
> commit: 3c45f21af84eb05a355919abc80cf70a3a681cee ath10k: sdio: add
> firmware coredump support
> compiler: nios2-linux-gcc (GCC) 9.3.0
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx>
>
>
> cppcheck possible warnings: (new ones prefixed by >>, may not real problems)
>
>>> drivers/net/wireless/ath/ath10k/sdio.c:2234:2: warning: Non-boolean
> value returned from function returning bool
> [returnNonBoolInBooleanFunction]
> return param & HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_FW;
> ^

Is this really a problem? I guess we could change that to "!!(param &
HI_OPTION_SDIO_CRASH_DUMP_ENHANCEMENT_FW)" but how is that better and
does it make any practical difference when
ath10k_sdio_is_fast_dump_supported() returns a boolean anyway?

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