Revert "Staging: comedi: integer overflow in do_insnlist_ioctl()"

This reverts commit e384a41141949843899affcf51f4e6e646c1fe9f.
It's not the correct way to solve this issue.

Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index ed4853f194c4..ebdcecda3583 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -670,11 +670,6 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
                 goto error;
         }
 
-        if (sizeof(struct comedi_insn) * insnlist.n_insns < insnlist.n_insns) {
-                ret = -EINVAL;
-                goto error;
-        }
-
         insns =
             kmalloc(sizeof(struct comedi_insn) * insnlist.n_insns, GFP_KERNEL);
         if (!insns) {