Re: [PATCH v3 3/5] char: ti-usim: Add driver for USIM module on AM43xx

[Greg Kroah-Hartman]

On Thu, May 29, 2014 at 03:35:37PM +0530, Satish Patel wrote:
> >>+enum usim_card_mode {
> >>+       USIM_CARD_MODE_ASYNC = 0,       /* asynchronous mode */
> >>+       USIM_CARD_MODE_SYNC_TYPE1,      /* synchronous mode: Type 1 */
> >>+       USIM_CARD_MODE_SYNC_TYPE2,      /* synchronous mode: Type 2 */
> >>+       USIM_CARD_MODE_SYNC_OTHER,      /* Any other synchronous type */
> >>+};
> >>+struct usim_data {
> >>+       int slot;
> >>+       int rxexplen;
> >>+       int txlen;
> >>+       unsigned char apdu[256];
> >>+};

You need to use the proper variable types for a structure that is going
to cross the user/kernel boundry in an ioctl :(

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