Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx4 / mr.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 32e2b66..fe2ac84 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -791,6 +791,9 @@ int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
        u64 mtt_offset;
        int err = -ENOMEM;
 
+       if (max_maps > dev->caps.max_fmr_maps)
+               return -EINVAL;
+
        if (page_shift < (ffs(dev->caps.page_size_cap) - 1) || page_shift >= 32)
                return -EINVAL;