1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 7df81576a489..c81d809c111b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1184,8 +1184,10 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
 
         nvec = rc;
         rc = pci_enable_msi_block(pdev, nvec);
-        if (rc)
+        if (rc < 0)
                 goto intx;
+        else if (rc > 0)
+                goto single_msi;
 
         return nvec;