[PATCH v3 4/4] nvme-fc: use lock accessing port_state and rport state

[Hannes Reinecke]

On 9/2/25 12:22, Daniel Wagner wrote:
> nvme_fc_unregister_remote removes the remote port on a lport object at
> any point in time when there is no active association. This races with
> with the reconnect logic, because nvme_fc_create_association is not
> taking a lock to check the port_state and atomically increase the
> active count on the rport.
> 
> Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki at wdc.com>
> Closes: https://lore.kernel.org/all/u4ttvhnn7lark5w3sgrbuy2rxupcvosp4qmvj46nwzgeo5ausc@uyrkdls2muwx
> Signed-off-by: Daniel Wagner <wagi at kernel.org>
> ---
>   drivers/nvme/host/fc.c | 10 ++++++++--
>   1 file changed, 8 insertions(+), 2 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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