On Fri, Nov 14, 2014 at 02:21:53PM -0800, Dmitry Torokhov wrote:
> Return value of irq_of_parse_and_map() is unsigned int, with 0
> indicating failure, so testing for negative result never works.
>
> Signed-off-by: Dmitry Torokhov <[email protected]>
Applied with Phil's ack to next-pci/host-rcar for v3.19. This branch will
be rebased to v3.19-rc1.
> ---
>
> Not tested, found by casual code inspection.
>
> drivers/pci/host/pcie-rcar.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index 9b356c3..6ca976f 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -764,7 +764,7 @@ static int rcar_pcie_get_resources(struct platform_device
> *pdev,
> goto err_map_reg;
>
> i = irq_of_parse_and_map(pdev->dev.of_node, 0);
> - if (i < 0) {
> + if (!i) {
> dev_err(pcie->dev, "cannot get platform resources for msi
> interrupt\n");
> err = -ENOENT;
> goto err_map_reg;
> @@ -772,7 +772,7 @@ static int rcar_pcie_get_resources(struct platform_device
> *pdev,
> pcie->msi.irq1 = i;
>
> i = irq_of_parse_and_map(pdev->dev.of_node, 1);
> - if (i < 0) {
> + if (!i) {
> dev_err(pcie->dev, "cannot get platform resources for msi
> interrupt\n");
> err = -ENOENT;
> goto err_map_reg;
> --
> 2.1.0.rc2.206.gedb03e5
>
>
> --
> Dmitry
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