diff options
| author | Tang Bin <tangbin@cmss.chinamobile.com> | 2020-05-13 21:26:47 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-19 15:12:21 +0200 |
| commit | d49292025f79693d3348f8e2029a8b4703be0f0a (patch) | |
| tree | 61ade8cc31365f26fd1e82ddbc667b62d871385b /drivers/usb/host/ehci-mxc.c | |
| parent | a7f40c233a6b0540d28743267560df9cfb571ca9 (diff) | |
USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
The function ehci_mxc_drv_probe() does not perform sufficient error
checking after executing platform_get_irq(), thus fix it.
Fixes: 7e8d5cd93fac ("USB: Add EHCI support for MX27 and MX31 based boards")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200513132647.5456-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-mxc.c')
| -rw-r--r-- | drivers/usb/host/ehci-mxc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 09e01397f987..dc2676320527 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -50,6 +50,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev)); if (!hcd) |