mlx4: Implement QP paravirtualization and maintain phys_pkey_cache for smp_snoop

[cascardo/linux.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index 4476e0e..4a85096 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -41,7 +41,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
                            sizeof(long long) > sizeof(long)) {
                                long pstart = start, plength = length;
                                if (pstart != start || plength != length
-                                   || pstart < 0 || plength < 0)
+                                   || pstart < 0 || plength < 0 || partno > 65535)
                                        return -EINVAL;
                        }