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usb: ftp: fix the bug of ftp ioctrl args problem with 32bit userspace on 64bit platforms

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Signed-off-by: Aiyoujun <ayj@rock-chips.com>
This commit is contained in:
Aiyoujun
2015-04-11 16:04:31 +08:00
parent c3ab142dc7
commit c04cdecff9
1 changed files with 10 additions and 0 deletions
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10
include/uapi/linux/usb/f_mtp.h
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@@ -38,12 +38,22 @@ struct mtp_file_range {
uint32_t transaction_id;
};
/* support of 32bit userspace on 64bit platforms */
#ifdef CONFIG_COMPAT
struct mtp_event {
/* size of the event */
int32_t length;
/* event data to send */
compat_uptr_t data;
};
#else
struct mtp_event {
/* size of the event */
size_t length;
/* event data to send */
void *data;
};
#endif
/* Sends the specified file range to the host */
#define MTP_SEND_FILE _IOW('M', 0, struct mtp_file_range)