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| author | Alexander Gordeev <agordeev@redhat.com> | 2013-12-16 09:34:57 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-12-20 09:45:05 -0700 |
| commit | 8ec5db6b20c860ddd1311c794b38c98ce86ac7ae (patch) | |
| tree | 1d662f224548eebd7bf4402d67439e679da65fc9 /include/linux/pci.h | |
| parent | 2adc7907bac2c72535894732c4b41f9210f9e577 (diff) | |
| download | linux-stable-8ec5db6b20c860ddd1311c794b38c98ce86ac7ae.tar.gz linux-stable-8ec5db6b20c860ddd1311c794b38c98ce86ac7ae.tar.bz2 linux-stable-8ec5db6b20c860ddd1311c794b38c98ce86ac7ae.zip | |
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>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | 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 36a5b1828f91..3c95efd12f3c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1156,13 +1156,13 @@ 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) @@ -1177,7 +1177,7 @@ 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) |