1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 5f4e36cf0091..467ccdf94c98 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -120,13 +120,15 @@ enum {
         MLX4_RSS_QPC_FLAG_OFFSET                = 13,
 };
 
+#define MLX4_EN_RSS_KEY_SIZE 40
+
 struct mlx4_rss_context {
         __be32                  base_qpn;
         __be32                  default_qpn;
         u16                     reserved;
         u8                      hash_fn;
         u8                      flags;
-        __be32                  rss_key[10];
+        __be32                  rss_key[MLX4_EN_RSS_KEY_SIZE / sizeof(__be32)];
         __be32                  base_qpn_udp;
 };