Re: [PATCH] [v2] cxlflash: fix function pointer cast warnings

[Martin K. Petersen]

Arnd,

> Calling a function through an incompatible pointer type causes breaks
> kcfi, so clang warns about the assignments:
>
> drivers/scsi/cxlflash/main.c:3498:3: error: cast from 'int (*)(struct
> cxlflash_cfg *, struct ht_cxlflash_lun_provision *)' to 'hioctl' (aka
> 'int (*)(struct cxlflash_cfg *, void *)') converts to incompatible
> function type [-Werror,-Wcast-function-type-strict]
>  3498 |                 (hioctl)cxlflash_lun_provision },
>       |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/scsi/cxlflash/main.c:3500:3: error: cast from 'int (*)(struct
> cxlflash_cfg *, struct ht_cxlflash_afu_debug *)' to 'hioctl' (aka 'int
> (*)(struct cxlflash_cfg *, void *)') converts to incompatible function
> type [-Werror,-Wcast-function-type-strict]
>  3500 |                 (hioctl)cxlflash_afu_debug },
>       |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Address these by changing the functions to have the correct type
> and replace the function pointer cast with a cast of its argument.

Applied to 6.10/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering