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authorTang Bin <[email protected]>2020-05-13 21:26:47 +0800
committerGreg Kroah-Hartman <[email protected]>2020-05-19 15:12:21 +0200
commitd49292025f79693d3348f8e2029a8b4703be0f0a (patch)
tree61ade8cc31365f26fd1e82ddbc667b62d871385b
parenta7f40c233a6b0540d28743267560df9cfb571ca9 (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 <[email protected]> Signed-off-by: Tang Bin <[email protected]> Reviewed-by: Peter Chen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/usb/host/ehci-mxc.c2
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)