Re: [PATCH 1/2] crypto: octeontx2 - fix -Wpointer-bool-conversion warning

[Herbert Xu]

On Thu, Feb 04, 2021 at 04:42:15PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> When CONFIG_CPUMASK_OFFSTACK is disabled, clang reports a warning
> about a bogus condition:
> 
> drivers/crypto/marvell/octeontx2/otx2_cptlf.c:334:21: error: address of array 'lfs->lf[slot].affinity_mask' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
>                 if (lfs->lf[slot].affinity_mask)
>                 ~~  ~~~~~~~~~~~~~~^~~~~~~~~~~~~
> 
> In this configuration, the free_cpumask_var() function does nothing,
> so the condition could be skipped.
> 
> When the option is enabled, there is no warning, but the check
> is also redundant because free_cpumask_var() falls back to kfree(),
> which is documented as ignoring NULL pointers.
> 
> Remove the check to avoid the warning.
> 
> Fixes: 64506017030d ("crypto: octeontx2 - add LF framework")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  drivers/crypto/marvell/octeontx2/otx2_cptlf.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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