diff options
| author | Alexander Gordeev <agordeev@redhat.com> | 2013-12-16 09:34:57 +0100 |
|---|---|---|
| committer | Richard Zhu <Richard.Zhu@freescale.com> | 2014-11-07 12:56:30 +0800 |
| commit | 9ed68f522fc84ca65c6f0fe28e7d1316837516dd (patch) | |
| tree | bd641583e45b312d9567ef4a296ae85f9e7a6533 /include | |
| parent | fe2eb156de79ab7ed3314fc5697cf59164bb102f (diff) | |
PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1
Suggested-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
(cherry picked from commit 8ec5db6b20c860ddd1311c794b38c98ce86ac7ae)
(cherry picked from commit aa1eee2e30c2c88c89bc9c8028c1538473ba41b1)
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pci.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 13b4be7c1413..24ea555b8c65 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1127,7 +1127,7 @@ static inline int pci_msi_vec_count(struct pci_dev *dev) static inline int pci_enable_msi_block(struct pci_dev *dev, int nvec) { - return -1; + return -ENOSYS; } static inline void pci_msi_shutdown(struct pci_dev *dev) @@ -1142,7 +1142,7 @@ static inline int pci_msix_vec_count(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) |