PCI: fix __must_check warnings
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index e4a2429..037690e 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -147,8 +147,10 @@
{
struct aer_broadcast_data result_data =
{error, PCI_ERS_RESULT_CAN_RECOVER};
+ int retval;
- device_for_each_child(&dev->dev, &result_data, error_detected_iter);
+ /* can not fail */
+ retval = device_for_each_child(&dev->dev, &result_data, error_detected_iter);
return result_data.result;
}
@@ -181,8 +183,10 @@
static pci_ers_result_t pcie_portdrv_mmio_enabled(struct pci_dev *dev)
{
pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
+ int retval;
- device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
+ /* get true return value from &status */
+ retval = device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
return status;
}
@@ -214,6 +218,7 @@
static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
{
pci_ers_result_t status;
+ int retval;
/* If fatal, restore cfg space for possible link reset at upstream */
if (dev->error_state == pci_channel_io_frozen) {
@@ -221,7 +226,8 @@
pci_enable_pcie_error_reporting(dev);
}
- device_for_each_child(&dev->dev, &status, slot_reset_iter);
+ /* get true return value from &status */
+ retval = device_for_each_child(&dev->dev, &status, slot_reset_iter);
return status;
}
@@ -248,7 +254,9 @@
static void pcie_portdrv_err_resume(struct pci_dev *dev)
{
- device_for_each_child(&dev->dev, NULL, resume_iter);
+ int retval;
+ /* nothing to do with error value, if it ever happens */
+ retval = device_for_each_child(&dev->dev, NULL, resume_iter);
}
/*