usb: musb: gadget: kill unreachable code in musb_g_rx()

musb_g_rx() always returns if next_request() call yields NULL, so the DBG()
near the function's end can never be invoked. Remove it along with unneeded
'return'; also remove the duplicate 'request' check...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 9 deletions

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index f497586e36ec..6a8c061b66f1 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -775,7 +775,7 @@ void musb_g_rx(struct musb *musb, u8 epnum)
                 musb_writew(epio, MUSB_RXCSR, csr);
 
                 DBG(3, "%s iso overrun on %p\n", musb_ep->name, request);
-                if (request && request->status == -EINPROGRESS)
+                if (request->status == -EINPROGRESS)
                         request->status = -EOVERFLOW;
         }
         if (csr & MUSB_RXCSR_INCOMPRX) {
@@ -828,14 +828,8 @@ void musb_g_rx(struct musb *musb, u8 epnum)
                         return;
         }
 
-        /* analyze request if the ep is hot */
-        if (request)
-                rxstate(musb, to_musb_request(request));
-        else
-                DBG(3, "packet waiting for %s%s request\n",
-                                musb_ep->desc ? "" : "inactive ",
-                                musb_ep->end_point.name);
-        return;
+        /* Analyze request */
+        rxstate(musb, to_musb_request(request));
 }
 
 /* ------------------------------------------------------------ */