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PCI/MSI: Return failure when msix_setup_entries() fails

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[ Upstream commit 3adfb572f2978a980b250a9e1a56f84f3a031001 ]

If alloc_msi_entry() fails, we free resources and set ret = -ENOMEM.

However, msix_setup_entries() returns 0 unconditionally.  Return the error
code instead.

Fixes: e75eafb9b039 ("genirq/msi: Switch to new irq spreading infrastructure")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2017-10-07 22:36:49 +00:00 committed by Greg Kroah-Hartman
parent a624515184
commit c16283db12
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/msi.c
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@ -730,7 +730,7 @@ static int msix_setup_entries(struct pci_dev *dev, void __iomem *base,
ret = 0;
out:
kfree(masks);
return 0;
return ret;
}
static void msix_program_entries(struct pci_dev *dev,