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authorChristoph Hellwig <hch@lst.de>2018-12-13 09:48:00 +0100
committerChristoph Hellwig <hch@lst.de>2018-12-18 17:50:45 +0100
commit91a509f8b7a8a518723e1755b876b46c537baaef (patch)
tree5fb8f33cb3d4392a83be1531f814559bb2fa5553 /drivers/nvme
parentnvme-pci: only set nr_maps to 2 if poll queues are supported (diff)
downloadlinux-dev-91a509f8b7a8a518723e1755b876b46c537baaef.tar.xz
linux-dev-91a509f8b7a8a518723e1755b876b46c537baaef.zip
nvme-pci: refactor nvme_poll_irqdisable to make sparse happy
By duplicating the nvme_process_cq in both branches we keep the sparse lock context checking happy, so do it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/pci.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index a3e0b9378e54..452b28130380 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1089,15 +1089,15 @@ static int nvme_poll_irqdisable(struct nvme_queue *nvmeq, unsigned int tag)
* using the CQ lock. For normal interrupt driven threads we have
* to disable the interrupt to avoid racing with it.
*/
- if (nvmeq->cq_vector == -1)
+ if (nvmeq->cq_vector == -1) {
spin_lock(&nvmeq->cq_poll_lock);
- else
- disable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
- found = nvme_process_cq(nvmeq, &start, &end, tag);
- if (nvmeq->cq_vector == -1)
+ found = nvme_process_cq(nvmeq, &start, &end, tag);
spin_unlock(&nvmeq->cq_poll_lock);
- else
+ } else {
+ disable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
+ found = nvme_process_cq(nvmeq, &start, &end, tag);
enable_irq(pci_irq_vector(pdev, nvmeq->cq_vector));
+ }
nvme_complete_cqes(nvmeq, start, end);
return found;