libata: handle pci_enable_device() failure while resuming

Handle pci_enable_device() failure while resuming.  This patch kills
the "ignoring return value of 'pci_enable_device'" warning message and
propagates __must_check through ata_pci_device_do_resume().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index d27ab312cdfb..1f3fdcf29876 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -710,8 +710,12 @@ err_out:
 static int sil_pci_device_resume(struct pci_dev *pdev)
 {
         struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        int rc;
+
+        rc = ata_pci_device_do_resume(pdev);
+        if (rc)
+                return rc;
 
-        ata_pci_device_do_resume(pdev);
         sil_init_controller(pdev, host->n_ports, host->ports[0]->flags,
                             host->mmio_base);
         ata_host_resume(host);