RDMA/srp: Rework the srp_add_port() error path

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device_register() always calls device_initialize() so calling device_del()
is safe even if device_register() fails. Implement the following advice
from the comment block above device_register(): "NOTE: _Never_ directly free
@dev after calling this function, even if it returned an error! Always use
put_device() to give up the reference initialized in this function instead."
Keep the kfree() call in the error path since srp_release_dev() does not
free the host.

Link: https://lore.kernel.org/r/20220825213900.864587-2-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Bart Van Assche 2022-08-25 14:38:57 -07:00 • committed by Leon Romanovsky

parent 3d67e7e236

commit c8e4c23976

1 changed files with 7 additions and 8 deletions

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drivers/infiniband/ulp/srp/ib_srp.c

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