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usb: gadget: net2272: fix sparse warnings

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Fix the following sparse warnings:

drivers/usb/gadget/net2272.c:916:13: warning: Using plain integer as NULL pointer
drivers/usb/gadget/net2272.c:1624:9: warning: Using plain integer as NULL pointer
drivers/usb/gadget/net2272.c:1552:30: warning: right shift by bigger than source value

Note that the last warning is an actual bug,
since ep->dma is a one bit value which is
shifted by one bit in code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-03-21 12:19:31 +02:00
parent 60630c2eab
commit 69147121ab
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/gadget/net2272.c
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@ -911,7 +911,7 @@ net2272_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
}
}
}
if (likely(req != 0))
if (likely(req))
list_add_tail(&req->queue, &ep->queue);
if (likely(!list_empty(&ep->queue)))
@ -1538,7 +1538,7 @@ net2272_handle_dma(struct net2272_ep *ep)
| (ep->dev->dma_eot_polarity << EOT_POLARITY)
| (ep->dev->dma_dack_polarity << DACK_POLARITY)
| (ep->dev->dma_dreq_polarity << DREQ_POLARITY)
| ((ep->dma >> 1) << DMA_ENDPOINT_SELECT));
| (ep->dma << DMA_ENDPOINT_SELECT));
ep->dev->dma_busy = 0;
@ -1611,7 +1611,7 @@ net2272_handle_ep(struct net2272_ep *ep)
ep->irqs++;
dev_vdbg(ep->dev->dev, "%s ack ep_stat0 %02x, ep_stat1 %02x, req %p\n",
ep->ep.name, stat0, stat1, req ? &req->req : 0);
ep->ep.name, stat0, stat1, req ? &req->req : NULL);
net2272_ep_write(ep, EP_STAT0, stat0 &
~((1 << NAK_OUT_PACKETS)