linux-kernel - [PATCH] PCI AER: fix warnings when PCIEAER=n

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Date:	Thu, 23 Aug 2007 10:37:53 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>,
	linux-pci@...ey.karlin.mff.cuni.cz
Cc:	linas@...tin.ibm.com, gregkh <greg@...ah.com>,
	akpm <akpm@...ux-foundation.org>
Subject: [PATCH] PCI AER: fix warnings when PCIEAER=n

From: Randy Dunlap <randy.dunlap@...cle.com>

Fix warnings when CONFIG_PCIEAER=n:

drivers/pci/pcie/portdrv_pci.c:105: warning: statement with no effect
drivers/pci/pcie/portdrv_pci.c:226: warning: statement with no effect
drivers/scsi/arcmsr/arcmsr_hba.c:352: warning: statement with no effect

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 include/linux/aer.h |   25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

--- linux-2623-rc3-kex.orig/include/linux/aer.h
+++ linux-2623-rc3-kex/include/linux/aer.h
@@ -15,11 +15,26 @@ extern int pci_disable_pcie_error_report
 extern int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
 extern int pci_cleanup_aer_correct_error_status(struct pci_dev *dev);
 #else
-#define pci_enable_pcie_error_reporting(dev)		(-EINVAL)
-#define pci_find_aer_capability(dev)			(0)
-#define pci_disable_pcie_error_reporting(dev)		(-EINVAL)
-#define pci_cleanup_aer_uncorrect_error_status(dev)	(-EINVAL)
-#define pci_cleanup_aer_correct_error_status(dev)	(-EINVAL)
+static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+static inline int pci_find_aer_capability(struct pci_dev *dev)
+{
+	return 0;
+}
+static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
+static inline int pci_cleanup_aer_correct_error_status(struct pci_dev *dev)
+{
+	return -EINVAL;
+}
 #endif
 
 #endif //_AER_H_
-
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