Re: [PATCH 03/44 take 2] [UBI] user-space API header

Artem Bityutskiy
2007-02-20T13:11:30Z

On Sat, 2007-02-17 at 22:27 +0100, Arnd Bergmann wrote:
> On Saturday 17 February 2007 17:54, Artem Bityutskiy wrote:
> > +struct ubi_mkvol_req {
> > + int32_t vol_id;
> > + int32_t alignment;
> > + int64_t bytes;
> > + int8_t vol_type;
> > + int8_t padding[9];
> > + int16_t name_len;
> > + __user const char *name;
> > +} __attribute__ ((packed));
>
> This structure is not suitable for an ioctl call, because it has
> incompatible layout between 32 and 64 bit processes. The easiest
> fix for this would be to change the 'name' field to an array
> instead of a pointer.

Will be fixed thanks. Just out of curiosity, could you please provide an
example when this may be a problem.

Artem.

--
Best regards,
Artem Bityutskiy (Битюцкий Артём)