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USB: musb_gadget: fix kernel oops in txstate()

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Commit 7723de7e19 (USB: musb_gadget: remove
pointless loop) included uncalled for (and incorrect) optimization that
might cause a kernel oops in txstate() -- undo it.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sergei Shtylyov 2009-12-16 20:38:31 +03:00 committed by Greg Kroah-Hartman
parent 4e092d110f
commit 95962a773c
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/musb/musb_gadget.c
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@ -515,12 +515,12 @@ void musb_g_tx(struct musb *musb, u8 epnum)
if (csr & MUSB_TXCSR_FIFONOTEMPTY)
return;
if (!musb_ep->desc) {
request = musb_ep->desc ? next_request(musb_ep) : NULL;
if (!request) {
DBG(4, "%s idle now\n",
musb_ep->end_point.name);
return;
} else
request = next_request(musb_ep);
}
}
txstate(musb, to_musb_request(request));