diff mbox series

[v2,1/3] usb: misc: ljca: move usb_autopm_put_interface() after wait for response

Message ID 20241106123438.337117-1-stanislaw.gruszka@linux.intel.com (mailing list archive)
State New
Headers show
Series [v2,1/3] usb: misc: ljca: move usb_autopm_put_interface() after wait for response | expand

Commit Message

Stanislaw Gruszka Nov. 6, 2024, 12:34 p.m. UTC
Do not mark interface as ready to suspend when we are still waiting
for response messages from the device.

Fixes: acd6199f195d ("usb: Add support for Intel LJCA device")
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com> # ThinkPad X1 Yoga Gen 8, ov2740
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
---
 drivers/usb/misc/usb-ljca.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Comments

Sakari Ailus Nov. 6, 2024, 1:32 p.m. UTC | #1
On Wed, Nov 06, 2024 at 01:34:36PM +0100, Stanislaw Gruszka wrote:
> Do not mark interface as ready to suspend when we are still waiting
> for response messages from the device.
> 
> Fixes: acd6199f195d ("usb: Add support for Intel LJCA device")
> Cc: stable@vger.kernel.org
> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
> Tested-by: Hans de Goede <hdegoede@redhat.com> # ThinkPad X1 Yoga Gen 8, ov2740
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
diff mbox series

Patch

diff --git a/drivers/usb/misc/usb-ljca.c b/drivers/usb/misc/usb-ljca.c
index 01ceafc4ab78..8056c65e4548 100644
--- a/drivers/usb/misc/usb-ljca.c
+++ b/drivers/usb/misc/usb-ljca.c
@@ -332,14 +332,11 @@  static int ljca_send(struct ljca_adapter *adap, u8 type, u8 cmd,
 
 	ret = usb_bulk_msg(adap->usb_dev, adap->tx_pipe, header,
 			   msg_len, &transferred, LJCA_WRITE_TIMEOUT_MS);
-
-	usb_autopm_put_interface(adap->intf);
-
 	if (ret < 0)
-		goto out;
+		goto out_put;
 	if (transferred != msg_len) {
 		ret = -EIO;
-		goto out;
+		goto out_put;
 	}
 
 	if (ack) {
@@ -347,11 +344,14 @@  static int ljca_send(struct ljca_adapter *adap, u8 type, u8 cmd,
 						  timeout);
 		if (!ret) {
 			ret = -ETIMEDOUT;
-			goto out;
+			goto out_put;
 		}
 	}
 	ret = adap->actual_length;
 
+out_put:
+	usb_autopm_put_interface(adap->intf);
+
 out:
 	spin_lock_irqsave(&adap->lock, flags);
 	adap->ex_buf = NULL;