From 1feefb7ec2fe11d666f6bdca6daa7affbf9c6ce9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 17 Oct 2019 20:39:25 +0100 Subject: [PATCH] scsi: sg: sg_ioctl(): get rid of access_ok() simply not needed there - neither sg_new_read() nor sg_new_write() need it. Link: https://lore.kernel.org/r/20191017193925.25539-8-viro@ZenIV.linux.org.uk Signed-off-by: Al Viro Acked-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/sg.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index f3d090b..0940abd 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -896,8 +896,6 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) return -ENODEV; if (!scsi_block_when_processing_errors(sdp->device)) return -ENXIO; - if (!access_ok(p, SZ_SG_IO_HDR)) - return -EFAULT; result = sg_new_write(sfp, filp, p, SZ_SG_IO_HDR, 1, read_only, 1, &srp); if (result < 0) -- 2.7.4