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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
parented92ad37e88555864f1f830db4037b9535b3392c (diff)
downloadlinux-91a509f8b7a8a518723e1755b876b46c537baaef.tar.gz
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;