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PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1

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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>
This commit is contained in:
Alexander Gordeev 2013-12-16 09:34:57 +01:00 committed by Bjorn Helgaas
parent 2adc7907ba
commit 8ec5db6b20
1 changed files with 3 additions and 3 deletions
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6
include/linux/pci.h
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@ -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)