From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
There are some USB Host which doesn't notice disconnection at once.
And it might try some request after reconnection with old settings.
Current renesas_usbhs will crash in such case.
This patch prevent this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/renesas_usbhs/mod_gadget.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index d027c80..206cfab 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -583,6 +583,10 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv,
char *msg;
uep = usbhsg_gpriv_to_nth_uep(gpriv, nth);
+ if (!usbhsg_uep_to_pipe(uep)) {
+ dev_err(dev, "wrong recip request\n");
+ return -EINVAL;
+ }
switch (recip) {
case USB_RECIP_DEVICE:
--
1.7.4.2
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
