From a4fa45c1d980bc2b9837f469119af24a9304a1fc Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Mon, 18 May 2026 11:53:19 +0200 Subject: [PATCH] gpio: virtuser: lock device when calling device_is_bound() The kerneldoc for device_is_bound() says it must be called with the device lock taken. Add missing synchronization to this driver. Fixes: c3e2a8aef28c ("gpio: virtuser: stop using dev-sync-probe") Link: https://patch.msgid.link/20260518-gpio-dev-lock-v1-3-cc4736f3ff0b@oss.qualcomm.com Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-virtuser.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-virtuser.c b/drivers/gpio/gpio-virtuser.c index fe0eac920ced..128520d340d4 100644 --- a/drivers/gpio/gpio-virtuser.c +++ b/drivers/gpio/gpio-virtuser.c @@ -1477,9 +1477,12 @@ gpio_virtuser_device_activate(struct gpio_virtuser_device *dev) } wait_for_device_probe(); - if (!device_is_bound(&pdev->dev)) { - ret = -ENXIO; - goto err_unregister_pdev; + + scoped_guard(device, &pdev->dev) { + if (!device_is_bound(&pdev->dev)) { + ret = -ENXIO; + goto err_unregister_pdev; + } } dev->pdev = pdev;