[RFC PATCH 2/8] sg_new_write(): replace access_ok() + __copy_from_user() with copy_from_user()

[Al Viro]

From: Al Viro <v...@zeniv.linux.org.uk>

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 drivers/scsi/sg.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 634460421ce4..026628aa556d 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -763,11 +763,7 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char 
__user *buf,
                sg_remove_request(sfp, srp);
                return -EMSGSIZE;
        }
-       if (!access_ok(hp->cmdp, hp->cmd_len)) {
-               sg_remove_request(sfp, srp);
-               return -EFAULT; /* protects following copy_from_user()s + 
get_user()s */
-       }
-       if (__copy_from_user(cmnd, hp->cmdp, hp->cmd_len)) {
+       if (copy_from_user(cmnd, hp->cmdp, hp->cmd_len)) {
                sg_remove_request(sfp, srp);
                return -EFAULT;
        }
-- 
2.11.0