"page_size" is declared as u64 but the (1 << page_shift) shift will wrap at 32 bits. Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c index 3a53228..3020ec2 100644 --- a/drivers/infiniband/hw/mlx5/mem.c +++ b/drivers/infiniband/hw/mlx5/mem.c @@ -148,7 +148,7 @@ int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset) u64 off_mask; u64 buf_off; - page_size = 1 << page_shift; + page_size = 1ULL << page_shift; page_mask = page_size - 1; buf_off = addr & page_mask; off_size = page_size >> 6; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html