net/mlx5: Avoid reloading already removed devices

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Prior to reloading a device we must first verify that it was not already
removed. Otherwise, the attempt to remove the device will do nothing, and
in that case we will end up proceeding with adding an new device that no
one was expecting to remove, leaving behind used resources such as EQs that
causes a failure to destroy comp EQs and syndrome (0x30f433).

Fix that by making sure that we try to remove and add a device (based on a
protocol) only if the device is already added.

Fixes: c5447c7059 ("net/mlx5: E-Switch, Reload IB interface when switching devlink modes")
Signed-off-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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Alaa Hleihel 2019-05-19 11:11:49 +03:00 • committed by Saeed Mahameed

parent 6a6fabbfa3

commit dd80857bf3

1 changed files with 23 additions and 2 deletions

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drivers/net/ethernet/mellanox/mlx5/core/dev.c

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