nvme: free sq/cq dbbuf pointers when dbbuf set fails

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If Doorbell Buffer Config command fails even 'dev->dbbuf_dbs != NULL'
which means OACS indicates that NVME_CTRL_OACS_DBBUF_SUPP is set,
nvme_dbbuf_update_and_check_event() will check event even it's not been
successfully set.

This patch fixes mismatch among dbbuf for sq/cqs in case that dbbuf
command fails.

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Minwoo Im 2020-11-05 23:28:47 +09:00 • committed by Christoph Hellwig

parent 9f16a66733

commit 0f0d2c876c

1 changed files with 15 additions and 0 deletions

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drivers/nvme/host/pci.c

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