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[RFC,43/77] lpfc: Return -ENOSPC when not enough MSI-X vectors available

Message ID 90e19597e04fa29c5f435d1f43059b69ae7314d4.1380703263.git.agordeev@redhat.com
State RFC
Delegated to: David Miller
Headers show

Commit Message

Alexander Gordeev Oct. 2, 2013, 10:48 a.m. UTC 
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
 drivers/scsi/lpfc/lpfc_init.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index d83a1a3..0ec8008 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8645,9 +8645,13 @@  lpfc_sli4_enable_msix(struct lpfc_hba *phba)
 		goto msg_fail_out;
 
 	vectors = min(vectors, rc);
-	if (vectors > 1)
-		rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
-				     vectors);
+	if (vectors < 2) {
+		rc = -ENOSPC;
+		goto msg_fail_out;
+	}
+
+	rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
+			     vectors);
 	if (rc) {
 msg_fail_out:
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,