3w-xxxx: Pass through compat mode ioctls
This allows 32-bit userspace tools (tw_cli, smartctl) to work on a
64-bit system. The command buffer is opaque to us, so, no word size
problems.
Signed-off-by: Ryan C. Underwood <nemesis@icequake.net>
Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 2940bd7..25aba16 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1045,6 +1045,9 @@
static const struct file_operations tw_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = tw_chrdev_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = tw_chrdev_ioctl,
+#endif
.open = tw_chrdev_open,
.release = NULL,
.llseek = noop_llseek,