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usb: renesas_usbhs: tidyup for smatch warnings

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This patch tidyup below smatch complaint

drivers/usb/renesas_usbhs/mod_host.c +642 usbhsh_queue_done()
	 warn: variable dereferenced before check 'urb' (see line 636)

Special thanks to Dan

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kuninori Morimoto 2011-12-15 01:53:18 -08:00 committed by Felipe Balbi
parent 15a3838b10
commit d9b78f33d9
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/renesas_usbhs/mod_host.c
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@ -633,7 +633,6 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
struct urb *urb = ureq->urb;
struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep);
struct device *dev = usbhs_priv_to_dev(priv);
int status = 0;
@ -651,7 +650,7 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
usbhsh_ureq_free(hpriv, ureq);
usbhsh_endpoint_sequence_save(hpriv, urb, pkt);
usbhsh_pipe_detach(hpriv, uep);
usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep));
usb_hcd_unlink_urb_from_ep(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, status);