diff mbox series

[4.14,295/343] scsi: fnic: fix msix interrupt allocation

Message ID 20200124092958.760582258@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Jan. 24, 2020, 9:31 a.m. UTC 
From: Govindarajulu Varadarajan <gvaradar@cisco.com>

[ Upstream commit 3ec24fb4c035e9cbb2f02a48640a09aa913442a2 ]

pci_alloc_irq_vectors() returns number of vectors allocated.  Fix the check
for error condition.

Fixes: cca678dfbad49 ("scsi: fnic: switch to pci_alloc_irq_vectors")
Link: https://lore.kernel.org/r/20190827211340.1095-1-gvaradar@cisco.com
Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Acked-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/fnic/fnic_isr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/scsi/fnic/fnic_isr.c b/drivers/scsi/fnic/fnic_isr.c
index 4e3a50202e8c5..d28088218c364 100644
--- a/drivers/scsi/fnic/fnic_isr.c
+++ b/drivers/scsi/fnic/fnic_isr.c
@@ -254,7 +254,7 @@  int fnic_set_intr_mode(struct fnic *fnic)
 		int vecs = n + m + o + 1;
 
 		if (pci_alloc_irq_vectors(fnic->pdev, vecs, vecs,
-				PCI_IRQ_MSIX) < 0) {
+				PCI_IRQ_MSIX) == vecs) {
 			fnic->rq_count = n;
 			fnic->raw_wq_count = m;
 			fnic->wq_copy_count = o;
@@ -280,7 +280,7 @@  int fnic_set_intr_mode(struct fnic *fnic)
 	    fnic->wq_copy_count >= 1 &&
 	    fnic->cq_count >= 3 &&
 	    fnic->intr_count >= 1 &&
-	    pci_alloc_irq_vectors(fnic->pdev, 1, 1, PCI_IRQ_MSI) < 0) {
+	    pci_alloc_irq_vectors(fnic->pdev, 1, 1, PCI_IRQ_MSI) == 1) {
 		fnic->rq_count = 1;
 		fnic->raw_wq_count = 1;
 		fnic->wq_copy_count = 1;