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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2009-12-16 20:38:31 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-23 11:34:12 -0800
commit95962a773ca5c1e52305fd1003d3bda59abbf371 (patch)
tree02f1586201f90f359f74f26b2bdccf51ca77fb9e /drivers/usb
parent4e092d110fe931db3878865db185be1c9df3e182 (diff)
USB: musb_gadget: fix kernel oops in txstate()
Commit 7723de7e19b744144975a09c81777ec0f14ac5b3 (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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/musb_gadget.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index c49b9ba025a..4dea1460925 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -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));