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author | Dennis Chen <dennis.chen@arm.com> | 2016-12-01 10:15:04 +0800 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-02-10 16:15:08 -0600 |
commit | 948b7620c15411444167a62cfc14cdd4b0e44682 (patch) | |
tree | 9bdb363fce0c066a073a7a827b9746604a50eff2 /Documentation/PCI | |
parent | 3674cc49da9a8fc55bf1dec2ab03a66c77f2dcdf (diff) | |
download | linux-stable-948b7620c15411444167a62cfc14cdd4b0e44682.tar.gz linux-stable-948b7620c15411444167a62cfc14cdd4b0e44682.tar.bz2 linux-stable-948b7620c15411444167a62cfc14cdd4b0e44682.zip |
PCI/MSI: Return -ENOSPC if pci_enable_msi_range() can't get enough vectors
If device doesn't support as many MSI vectors as the driver requested, we
previously returned -EINVAL from __pci_enable_msi_range() and
pci_enable_msi_range(). In other similar situations in both
__pci_enable_msi_range() and __pci_enable_msix_range(), we returned
-ENOSPC.
Return -ENOSPC from __pci_enable_msi_range() so we do it consistently.
[bhelgaas: changelog]
Signed-off-by: Dennis Chen <dennis.chen@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Tejun Heo <tj@kernel.org>
CC: Christoph Hellwig <hch@lst.de>
CC: Tom Long Nguyen <tom.l.nguyen@intel.com>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Marc Zyngier <marc.zyngier@arm.com>
CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
CC: Steve Capper <steve.capper@arm.com>
Diffstat (limited to 'Documentation/PCI')
0 files changed, 0 insertions, 0 deletions