Commit 3de3dbe7 authored Mar 19, 2019 by Kangjie Lu Committed by Greg Kroah-Hartman Mar 26, 2019

usb: u132-hcd: fix potential NULL pointer dereference



In case create_singlethread_workqueue fails, the fix notifies
callers the error to avoid potential NULL pointer dereferences.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4c912bff

drivers/usb/host/u132-hcd.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -3203,6 +3203,8 @@ static int __init u132_hcd_init(void)
		return -ENODEV;
		printk(KERN_INFO "driver %s\n", hcd_name);
		workqueue = create_singlethread_workqueue("u132");
		if (!workqueue)
		return -ENOMEM;
		retval = platform_driver_register(&u132_platform_driver);
		return retval;
		}

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