Re: Reading the frame number field
Pete Zaitcev <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Organization | Red Hat, Inc. |
| Message-ID | <[email protected]> |
On Sat, 14 Apr 2007 12:55:43 -0400 (EDT), Alan Stern <[email protected]> wrote: > + frame_number = usb_get_current_frame_number(ps->dev); > + if (put_user(frame_number, (int __user *)arg)) > + return -EFAULT; > + return 0; I think it would be safer to test frame_number for being negative and return the error in errno rather than the frame number. -- Pete ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel