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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>
This commit is contained in:
Ryan C. Underwood 2015-12-24 21:45:27 -08:00 committed by Martin K. Petersen
parent 4e09bff330
commit 4f44f35dd8
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/3w-xxxx.c
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@ -1045,6 +1045,9 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
static const struct file_operations tw_fops = { static const struct file_operations tw_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.unlocked_ioctl = tw_chrdev_ioctl, .unlocked_ioctl = tw_chrdev_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = tw_chrdev_ioctl,
#endif
.open = tw_chrdev_open, .open = tw_chrdev_open,
.release = NULL, .release = NULL,
.llseek = noop_llseek, .llseek = noop_llseek,