Re: [PATCH] PCI/MSI: Return error code if memory allocation fails

From: Bjorn Helgaas
Date: Fri Feb 10 2017 - 15:18:32 EST


On Fri, Jan 27, 2017 at 04:14:53PM +0100, Christophe JAILLET wrote:
> If 'alloc_msi_entry()' fails, a few lines above, we free resources and set
> 'ret = -ENOMEM'.
>
> However, the function returns 0, inconditionaly.
> Returns the error code instead.
>
> Fixes: e75eafb9b039 ("genirq/msi: Switch to new irq spreading infrastructure")
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Applied to pci/msi for v4.11, thanks!

> ---
> drivers/pci/msi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
> index b6785c8be44d..0f77b38f03dd 100644
> --- a/drivers/pci/msi.c
> +++ b/drivers/pci/msi.c
> @@ -731,7 +731,7 @@ 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,
> --
> 2.9.3
>