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scsi: fnic: fix msix interrupt allocation

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[ Upstream commit 3ec24fb4c0 ]

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

Fixes: cca678dfba ("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>
This commit is contained in:
Govindarajulu Varadarajan
2019-08-27 14:13:40 -07:00
committed by Greg Kroah-Hartman
parent 6b33b0ea44
commit 39b6e7f1df
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/fnic/fnic_isr.c
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@@ -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;