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

This reverts commit e384a41. 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>
FrankBuss · Nov 27, 2011 · 06b446c · 06b446c
1 parent e384a41
commit 06b446c
Showing 1 changed file with 0 additions and 5 deletions.
diff --git 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) {