linux-kernel - [PATCH 4.9 122/245] mmc: vub3000: fix control-request direction

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Message-Id: <20210719144944.360086444@linuxfoundation.org>
Date:   Mon, 19 Jul 2021 16:51:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johan Hovold <johan@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH 4.9 122/245] mmc: vub3000: fix control-request direction

From: Johan Hovold <johan@...nel.org>

commit 3c0bb3107703d2c58f7a0a7a2060bb57bc120326 upstream.

The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.

Fix the SET_ROM_WAIT_STATES request which erroneously used
usb_rcvctrlpipe().

Fixes: 88095e7b473a ("mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver")
Cc: stable@...r.kernel.org      # 3.0
Signed-off-by: Johan Hovold <johan@...nel.org>
Link: https://lore.kernel.org/r/20210521133026.17296-1-johan@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mmc/host/vub300.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -2292,7 +2292,7 @@ static int vub300_probe(struct usb_inter
 	if (retval < 0)
 		goto error5;
 	retval =
-		usb_control_msg(vub300->udev, usb_rcvctrlpipe(vub300->udev, 0),
+		usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0),
 				SET_ROM_WAIT_STATES,
 				USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				firmware_rom_wait_states, 0x0000, NULL, 0, HZ);