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Commit 0607f862 authored by Felipe Balbi's avatar Felipe Balbi
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usb: musb: gadget: prevent a NULL pointer dereference 



Case we can't allocate struct musb_request,
prevent a NULL pointer dereference by returning
early.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fcf173e4

drivers/usb/musb/musb_gadget.c

+8 −5
Original line number Diff line number Diff line
@@ -1072,12 +1072,15 @@ struct usb_request *musb_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) 
	struct musb_request	*request = NULL;



	request = kzalloc(sizeof *request, gfp_flags);

	if (request) {

	if (!request) {

		DBG(4, "not enough memory\n");

		return NULL;

	}



	INIT_LIST_HEAD(&request->request.list);

	request->request.dma = DMA_ADDR_INVALID;

	request->epnum = musb_ep->current_epnum;

	request->ep = musb_ep;

	}



	return &request->request;

}