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Commit c526c62d authored by Peter Chen's avatar Peter Chen Committed by Felipe Balbi
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usb: gadget: composite: fix dereference after null check coverify warning 



cdev->config is checked for null pointer at above code, so cdev->config
might be null, fix it by adding null pointer check.

Signed-off-by: default avatarPeter Chen <peter.chen@nxp.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 700aa7ff

drivers/usb/gadget/composite.c

+2 −0
Original line number Diff line number Diff line
@@ -1913,6 +1913,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) 
			break;



		case USB_RECIP_ENDPOINT:

			if (!cdev->config)

				break;

			endp = ((w_index & 0x80) >> 3) | (w_index & 0x0f);

			list_for_each_entry(f, &cdev->config->functions, list) {

				if (test_bit(endp, f->endpoints))