On 02/05/2018 4:31 PM, Tariq Toukan wrote:
On 27/04/2018 6:20 PM, Tarick Bedeir wrote:
Avoid exiting the function with a lingering sysfs file (if the first
call to device_create_file() fails while the second succeeds), and avoid
calling devlink_port_unregister() twice.
In other words, either mlx4_init_port_info() succeeds and returns
zero, or
it fails, returns non-zero, and requires no cleanup.
Signed-off-by: Tarick Bedeir <tarick@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx4/main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c
b/drivers/net/ethernet/mellanox/mlx4/main.c
index 4d84cab77105..e8a3a45d0b53 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -3007,6 +3007,7 @@ static int mlx4_init_port_info(struct mlx4_dev
*dev, int port)
mlx4_err(dev, "Failed to create file for port %d\n", port);
devlink_port_unregister(&info->devlink_port);
info->port = -1;
+ return err;
}
sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port);
@@ -3028,9 +3029,10 @@ static int mlx4_init_port_info(struct mlx4_dev
*dev, int port)
&info->port_attr);
devlink_port_unregister(&info->devlink_port);
info->port = -1;
+ return err;
}
- return err;
+ return 0;
}
static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
Acked-by: Tariq Toukan <tariqt@xxxxxxxxxxxx>
Thanks Tarick.
Actually, you need to add a Fixes line:
Fixes: 096335b3f983 ("mlx4_core: Allow dynamic MTU configuration for IB
ports")
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