diff options
| author | Felipe Balbi <balbi@ti.com> | 2012-06-25 19:30:49 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-06-25 19:30:49 +0300 |
| commit | 5c81ababecd7ddae08ca944a65d8030cd393013c (patch) | |
| tree | 032008bb9f9d7efe374e695df18b81ea801d1cc2 | |
| parent | 9be2395186b3504aa5e337bd3284afb4966caae7 (diff) | |
| download | linux-5c81ababecd7ddae08ca944a65d8030cd393013c.tar.bz2 | |
usb: dwc3: ep0: prevent starting transfers twice on ep0
In case we try to start an invalid test mode, we
will call dwc3_ep0_stall_and_restart() but we will
also call dwc3_ep0_out_start() which will start
a second transfer on ep0.
Let's prevent any problems by returning early in
the error case.
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 9a8f26cef0a1..8244eb53082e 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -744,6 +744,7 @@ static void dwc3_ep0_complete_status(struct dwc3 *dwc, dev_dbg(dwc->dev, "Invalid Test #%d\n", dwc->test_mode_nr); dwc3_ep0_stall_and_restart(dwc); + return; } } |