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nvme-pci: skip nvme_write_sq_db on empty rqlist nvme-6.15-2025-04-02
authorMaurizio Lombardi <mlombard@redhat.com>
Mon, 31 Mar 2025 16:28:59 +0000 (18:28 +0200)
committerKeith Busch <kbusch@kernel.org>
Tue, 1 Apr 2025 16:01:06 +0000 (09:01 -0700)
commit288ff0d10beb069355036355d5f7612579dc869c
tree9f0102ae23fdf44c4837478305c497011454cdb3tree
parent32c928142c4f2db5f9c11aa1fcc4de49d3f27fcdcommit | diff
nvme-pci: skip nvme_write_sq_db on empty rqlist

nvme_submit_cmds() should check the rqlist before calling
nvme_write_sq_db(); if the list is empty, it must return immediately.

Fixes: beadf0088501 ("nvme-pci: reverse request order in nvme_queue_rqs")
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
drivers/nvme/host/pci.c diff | blob | history
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