net/mlx4_core: Fix error handling in mlx4_init_port_info.

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[ Upstream commit 57f6f99fda ]

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.

Fixes: 096335b3f9 ("mlx4_core: Allow dynamic MTU configuration for IB ports")
Signed-off-by: Tarick Bedeir <tarick@google.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Tarick Bedeir 2018-05-13 16:38:45 -07:00 • committed by Greg Kroah-Hartman

parent 047df46d6c

commit 5ff45c86e9

1 changed files with 3 additions and 1 deletions

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drivers/net/ethernet/mellanox/mlx4/main.c

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