lkml.org 
[lkml]   [2020]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] usb: host: ehci-tegra: Fix error handling in tegra_ehci_probe()
On Mon, Oct 26, 2020 at 05:06:57PM +0800, Tang Bin wrote:
> If the function platform_get_irq() failed, the negative value
> returned will not be detected here. So fix error handling in
> tegra_ehci_probe().
>
> Fixes: 79ad3b5add4a ("usb: host: Add EHCI driver for NVIDIA Tegra SoCs")
> Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
> ---
> drivers/usb/host/ehci-tegra.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
> index 75a075daf..7b0efaf15 100644
> --- a/drivers/usb/host/ehci-tegra.c
> +++ b/drivers/usb/host/ehci-tegra.c
> @@ -479,9 +479,9 @@ static int tegra_ehci_probe(struct platform_device *pdev)
> u_phy->otg->host = hcd_to_bus(hcd);
>
> irq = platform_get_irq(pdev, 0);
> - if (!irq) {
> - err = -ENODEV;
> - goto cleanup_phy;
> + if (irq < 0) {
> + err = irq;
> + goto cleanup_phy;
> }
>
> otg_set_host(u_phy->otg, &hcd->self);

Acked-by: Alan Stern <stern@rowland.harvard.edu>

The "if (!irq)" statement occurs at least one other driver in this
directory. Would you like to submit a patch for ehci-xilinx-of.c as
well?

Alan Stern

\
 
 \ /
  Last update: 2020-10-26 16:06    [W:0.771 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site