Jia-Ju Bai f9e628a664 net: ieee802154: atusb: Replace GFP_ATOMIC with GFP_KERNEL in atusb_probe ...

atusb_probe() is never called in atomic context.
This function is only set as ".probe" in struct usb_driver.

Despite never getting called from atomic context,
atusb_probe() calls usb_alloc_urb() with GFP_ATOMIC,
which does not sleep for allocation.
GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL,
which can sleep and improve the possibility of sucessful allocation.

This is found by a static analysis tool named DCNS written by myself.
And I also manually check it.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>

2018-04-23 20:56:23 +02:00

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