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authorJia-Ju Bai <baijiaju1990@gmail.com>2018-07-27 11:34:13 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-07-27 11:59:09 -0700
commit434ca100cfa50de354d88329d7c0a10b80241f10 (patch)
tree028ab67de85ecaaba798e1d2b6fafbed0572ae1c /drivers/input/misc
parent1f25d9c60cfe28524f1650912bc13d72854206b5 (diff)
downloadlinux-434ca100cfa50de354d88329d7c0a10b80241f10.tar.gz
Input: yealink - replace GFP_ATOMIC with GFP_KERNEL in usb_probe()
usb_probe() is never called in atomic context.  It calls
usb_alloc_coherent() with GFP_ATOMIC, which is not necessary.  GFP_ATOMIC
can be replaced with GFP_KERNEL.

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/misc')
-rw-r--r--drivers/input/misc/yealink.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index f0c9bf87b4e3..1365cd94ed9b 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -894,12 +894,12 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 
 	/* allocate usb buffers */
 	yld->irq_data = usb_alloc_coherent(udev, USB_PKT_LEN,
-					   GFP_ATOMIC, &yld->irq_dma);
+					   GFP_KERNEL, &yld->irq_dma);
 	if (yld->irq_data == NULL)
 		return usb_cleanup(yld, -ENOMEM);
 
 	yld->ctl_data = usb_alloc_coherent(udev, USB_PKT_LEN,
-					   GFP_ATOMIC, &yld->ctl_dma);
+					   GFP_KERNEL, &yld->ctl_dma);
 	if (!yld->ctl_data)
 		return usb_cleanup(yld, -ENOMEM);