[PATCH v2 09/13] powerpc/eeh: Introduce eeh_edev_actionable()

[Sam Bobroff]

The same test is done in every EEH report function, so factor it out.

Since eeh_dev_removed() needs to be moved higher up in the file,
simplify it a little while we're at it.

Signed-off-by: Sam Bobroff <sbobroff at linux.ibm.com>
---
 arch/powerpc/kernel/eeh_driver.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 2d3cac584899..30898866418b 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -62,6 +62,17 @@ static enum pci_ers_result pci_ers_merge_result(enum pci_ers_result old,
 	return old;
 }
 
+static bool eeh_dev_removed(struct eeh_dev *edev)
+{
+	return !edev || (edev->mode & EEH_DEV_REMOVED);
+}
+
+static bool eeh_edev_actionable(struct eeh_dev *edev)
+{
+	return (edev->pdev && !eeh_dev_removed(edev) &&
+		!eeh_pe_passed(edev->pe));
+}
+
 /**
  * eeh_pcid_get - Get the PCI device driver
  * @pdev: PCI device
@@ -163,15 +174,6 @@ static void eeh_enable_irq(struct pci_dev *dev)
 	}
 }
 
-static bool eeh_dev_removed(struct eeh_dev *edev)
-{
-	/* EEH device removed ? */
-	if (!edev || (edev->mode & EEH_DEV_REMOVED))
-		return true;
-
-	return false;
-}
-
 static void *eeh_dev_save_state(struct eeh_dev *edev, void *userdata)
 {
 	struct pci_dev *pdev;
@@ -212,7 +214,7 @@ static void *eeh_report_error(struct eeh_dev *edev, void *userdata)
 	enum pci_ers_result rc, *res = userdata;
 	struct pci_driver *driver;
 
-	if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+	if (!eeh_edev_actionable(edev))
 		return NULL;
 
 	device_lock(&dev->dev);
@@ -256,7 +258,7 @@ static void *eeh_report_mmio_enabled(struct eeh_dev *edev, void *userdata)
 	enum pci_ers_result rc, *res = userdata;
 	struct pci_driver *driver;
 
-	if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+	if (!eeh_edev_actionable(edev))
 		return NULL;
 
 	device_lock(&dev->dev);
@@ -295,7 +297,7 @@ static void *eeh_report_reset(struct eeh_dev *edev, void *userdata)
 	enum pci_ers_result rc, *res = userdata;
 	struct pci_driver *driver;
 
-	if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+	if (!eeh_edev_actionable(edev))
 		return NULL;
 
 	device_lock(&dev->dev);
@@ -365,7 +367,7 @@ static void *eeh_report_resume(struct eeh_dev *edev, void *userdata)
 	bool was_in_error;
 	struct pci_driver *driver;
 
-	if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+	if (!eeh_edev_actionable(edev))
 		return NULL;
 
 	device_lock(&dev->dev);
@@ -412,7 +414,7 @@ static void *eeh_report_failure(struct eeh_dev *edev, void *userdata)
 	struct pci_dev *dev = eeh_dev_to_pci_dev(edev);
 	struct pci_driver *driver;
 
-	if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+	if (!eeh_edev_actionable(edev))
 		return NULL;
 
 	device_lock(&dev->dev);
-- 
2.16.1.74.g9b0b1f47b