Re: [PATCH 1/1] drivers: staging: vt6655: ioctl.c - missing __user annotation

From: Tobias Klauser
Date: Tue Jul 29 2014 - 04:05:47 EST


On 2014-07-28 at 09:58:12 +0200, Anil Belur <askb23@xxxxxxxxx> wrote:
> From: Anil Belur <askb23@xxxxxxxxx>
>
> - private_ioctl() the internally calls copy_{to,from}_user() and does
> not use '__user' while refrencing user space pointers.
> - this patch passes __user annotation as a cast, when the pointer is
> being refernced.

Wouldn't it be better to annotate the data member in struct tagSCmdRequest
with __user instead of introducing all these casts?
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