32 bit applications can only call ioctl functions on 64 bit systems
when the field .compat_ioctl is defined for file operations.
Tested-by: Dave Penkler <dpenkler@gmail.com>
Signed-off-by: Guido Kiener <guido.kiener@rohde-schwarz.com>
Reviewed-by: Steve Bayless <steve_bayless@keysight.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
#include <linux/poll.h>
#include <linux/mutex.h>
#include <linux/usb.h>
+#include <linux/compat.h>
#include <linux/usb/tmc.h>
.open = usbtmc_open,
.release = usbtmc_release,
.unlocked_ioctl = usbtmc_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = usbtmc_ioctl,
+#endif
.fasync = usbtmc_fasync,
.poll = usbtmc_poll,
.llseek = default_llseek,