Thread (1 message) 1 message, 1 author, 2020-01-16
STALE2395d

[PATCH AUTOSEL 4.19 201/671] net/mlx5: Delete unused FPGA QPN variable

From: Sasha Levin <sashal@kernel.org>
Date: 2020-01-16 19:06:13
Also in: linux-rdma, lkml, stable
Subsystem: mellanox ethernet innova drivers, mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers: Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Leon Romanovsky <redacted>

[ Upstream commit 566428375a53619196e31803130dd1a7010c4d7f ]

fpga_qpn was assigned but never used and compilation with W=1
produced the following warning:

drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c: In function _mlx5_fpga_event_:
drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c:320:6: warning:
variable _fpga_qpn_ set but not used [-Wunused-but-set-variable]
  u32 fpga_qpn;
      ^~~~~~~~

Fixes: 98db16bab59f ("net/mlx5: FPGA, Handle QP error event")
Signed-off-by: Leon Romanovsky <redacted>
Signed-off-by: Saeed Mahameed <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c | 2 --
 1 file changed, 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
index 436a8136f26f..310f9e7d8320 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.c
@@ -289,7 +289,6 @@ void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data)
 	const char *event_name;
 	bool teardown = false;
 	unsigned long flags;
-	u32 fpga_qpn;
 	u8 syndrome;
 
 	switch (event) {
@@ -300,7 +299,6 @@ void mlx5_fpga_event(struct mlx5_core_dev *mdev, u8 event, void *data)
 	case MLX5_EVENT_TYPE_FPGA_QP_ERROR:
 		syndrome = MLX5_GET(fpga_qp_error_event, data, syndrome);
 		event_name = mlx5_fpga_qp_syndrome_to_string(syndrome);
-		fpga_qpn = MLX5_GET(fpga_qp_error_event, data, fpga_qpn);
 		break;
 	default:
 		mlx5_fpga_warn_ratelimited(fdev, "Unexpected event %u\n",
-- 
2.20.1
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