[PATCH AUTOSEL 4.18 07/33] net/mlx5: Take only bit 24-26 of wqe.pftype_wq for page fault type

[Sasha Levin]

From: Huy Nguyen <huyn@xxxxxxxxxxxx>

[ Upstream commit a48bc513159d4767f9988f0d857b2b0c38a4d614 ]

The HW spec defines only bits 24-26 of pftype_wq as the page fault type,
use the required mask to ensure that.

Fixes: d9aaed838765 ("{net,IB}/mlx5: Refactor page fault handling")
Signed-off-by: Huy Nguyen <huyn@xxxxxxxxxxxx>
Signed-off-by: Eli Cohen <eli@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx5/core/eq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 406c23862f5f..01ccc8201052 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -269,7 +269,7 @@ static void eq_pf_process(struct mlx5_eq *eq)
 		case MLX5_PFAULT_SUBTYPE_WQE:
 			/* WQE based event */
 			pfault->type =
-				be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24;
+				(be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24) & 0x7;
 			pfault->token =
 				be32_to_cpu(pf_eqe->wqe.token);
 			pfault->wqe.wq_num =
-- 
2.17.1