[PATCH 5.10 008/120] usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop()

Greg Kroah-Hartman
2021-02-08T17:02:59Z

From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

commit 9917f0e3cdba7b9f1a23f70e3f70b1a106be54a8 upstream.

Should clear the pipe running flag in usbhs_pkt_pop(). Otherwise,
we cannot use this pipe after dequeue was called while the pipe was
running.

Fixes: 8355b2b3082d ("usb: renesas_usbhs: fix the behavior of some usbhs_pkt_handle")
Reported-by: Tho Vu <tho.vu.wh@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1612183640-8898-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/renesas_usbhs/fifo.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -126,6 +126,7 @@ struct usbhs_pkt *usbhs_pkt_pop(struct u
}

usbhs_pipe_clear_without_sequence(pipe, 0, 0);
+ usbhs_pipe_running(pipe, 0);

__usbhsf_pkt_del(pkt);
}