From: Saeed Mahameed <saeedm@nvidia.com>
Date: Fri, 11 Sep 2020 11:00:06 -0700
Subject: net/mlx5e: mlx5e_fec_in_caps() returns a boolean
Patch-mainline: Queued in subsystem maintainer repository
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: cb39ccc5cbe1011d8d21886b75e2468070ac672c
References: jsc#SLE-15172
Returning errno is a bug, fix that.
Also fixes smatch warnings:
drivers/net/ethernet/mellanox/mlx5/core/en/port.c:453
mlx5e_fec_in_caps() warn: signedness bug returning '(-95)'
Fixes: 2132b71f78d2 ("net/mlx5e: Advertise globaly supported FEC modes")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en/port.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
@@ -487,11 +487,8 @@ bool mlx5e_fec_in_caps(struct mlx5_core_
int err;
int i;
- if (!MLX5_CAP_GEN(dev, pcam_reg))
- return -EOPNOTSUPP;
-
- if (!MLX5_CAP_PCAM_REG(dev, pplm))
- return -EOPNOTSUPP;
+ if (!MLX5_CAP_GEN(dev, pcam_reg) || !MLX5_CAP_PCAM_REG(dev, pplm))
+ return false;
MLX5_SET(pplm_reg, in, local_port, 1);
err = mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPLM, 0, 0);