[PATCH RFC v2 07/29] PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1

[Alexander Gordeev]

Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
Suggested-by: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
---
 include/linux/pci.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index d3a888a..5cfe54c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1148,13 +1148,13 @@ struct msix_entry {
 #ifndef CONFIG_PCI_MSI
 static inline int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
 {
-	return -1;
+	return -ENOSYS;
 }
 
 static inline int
 pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
 {
-	return -1;
+	return -ENOSYS;
 }
 
 static inline void pci_msi_shutdown(struct pci_dev *dev)
@@ -1169,7 +1169,7 @@ static inline int pci_msix_table_size(struct pci_dev *dev)
 static inline int pci_enable_msix(struct pci_dev *dev,
 				  struct msix_entry *entries, int nvec)
 {
-	return -1;
+	return -ENOSYS;
 }
 
 static inline void pci_msix_shutdown(struct pci_dev *dev)
-- 
1.7.7.6

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