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author | Greg Kroah-Hartman | 2019-01-28 08:44:58 +0100 |
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committer | Greg Kroah-Hartman | 2019-01-28 08:44:58 +0100 |
commit | c9381e185fdcf86e9d7966d638c933894f87cdd7 (patch) | |
tree | d99259aded85a3fb95e9d52c56d9d3a0cfdfe460 /drivers/pci/msi.c | |
parent | usb: ftdi-elan: Fix if == else warnings in ftdi_elan_respond_engine (diff) | |
parent | Linux 5.0-rc4 (diff) | |
download | kernel-qcow2-linux-c9381e185fdcf86e9d7966d638c933894f87cdd7.tar.gz kernel-qcow2-linux-c9381e185fdcf86e9d7966d638c933894f87cdd7.tar.xz kernel-qcow2-linux-c9381e185fdcf86e9d7966d638c933894f87cdd7.zip |
Merge 5.0-rc4 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r-- | drivers/pci/msi.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7a1c8a09efa5..4c0b47867258 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1168,7 +1168,8 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, const struct irq_affinity *affd) { static const struct irq_affinity msi_default_affd; - int vecs = -ENOSPC; + int msix_vecs = -ENOSPC; + int msi_vecs = -ENOSPC; if (flags & PCI_IRQ_AFFINITY) { if (!affd) @@ -1179,16 +1180,17 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } if (flags & PCI_IRQ_MSIX) { - vecs = __pci_enable_msix_range(dev, NULL, min_vecs, max_vecs, - affd); - if (vecs > 0) - return vecs; + msix_vecs = __pci_enable_msix_range(dev, NULL, min_vecs, + max_vecs, affd); + if (msix_vecs > 0) + return msix_vecs; } if (flags & PCI_IRQ_MSI) { - vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, affd); - if (vecs > 0) - return vecs; + msi_vecs = __pci_enable_msi_range(dev, min_vecs, max_vecs, + affd); + if (msi_vecs > 0) + return msi_vecs; } /* use legacy irq if allowed */ @@ -1199,7 +1201,9 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, } } - return vecs; + if (msix_vecs == -ENOSPC) + return -ENOSPC; + return msi_vecs; } EXPORT_SYMBOL(pci_alloc_irq_vectors_affinity); |