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authorLeon Romanovsky <leonro@mellanox.com>2017-06-27 16:49:53 +0300
committerLeon Romanovsky <leon@kernel.org>2017-08-10 13:28:10 +0300
commit9abb0d1bbd9529c574eacd8586e2bf68d17966cd (patch)
treec7622f72d10e1ce95302053e6b314754ce3c90ee /drivers/infiniband/hw/mlx5/main.c
parentac50525374315b9b609747f83b07f8dccb06b722 (diff)
downloadop-kernel-dev-9abb0d1bbd9529c574eacd8586e2bf68d17966cd.zip
op-kernel-dev-9abb0d1bbd9529c574eacd8586e2bf68d17966cd.tar.gz
RDMA: Simplify get firmware interface
There is a need to forward FW version to user space application through RDMA netlink. In order to make it safe, there is need to declare nla_policy and limit the size of FW string. The new define IB_FW_VERSION_NAME_MAX will limit the size of FW version string. That define was chosen to be equal to ETHTOOL_FWVERS_LEN, because many drivers anyway are limited by that value indirectly. The introduction of this define allows us to remove the string size from get_fw_str function signature. Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 9279631..0a5a4e3 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3285,13 +3285,13 @@ static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
return 0;
}
-static void get_dev_fw_str(struct ib_device *ibdev, char *str,
- size_t str_len)
+static void get_dev_fw_str(struct ib_device *ibdev, char *str)
{
struct mlx5_ib_dev *dev =
container_of(ibdev, struct mlx5_ib_dev, ib_dev);
- snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev),
- fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev));
+ snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%04d",
+ fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev),
+ fw_rev_sub(dev->mdev));
}
static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev)
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