On Thu, 28 May 2026 22:12:27 +0200, Thorsten Blum wrote:
> Drop the local 10-byte buffer. The old code copied at most 9 bytes from
> the user buffer, but only the first byte was used to select the RTAS
> operation.
>
> Use get_user() to read the command byte instead and compare it directly
> with '0' and '1'. Drop the explicit user buffer check, since get_user()
> will fail on a NULL pointer and correctly return -EFAULT instead of
> -EINVAL. Remove the now-obsolete string constants as well as any
> strncmp() and strlen() calls.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc: rtas: use get_user to simplify manage_flash_write
https://git.kernel.org/powerpc/c/c7b7cea42cd4977f95ce520400c9740712b909a2
cheers
