From: Dmitry Torokhov dmitry.torokhov@gmail.com
[ Upstream commit f2145f8dc566c4f3b5a8deb58dcd12bed4e20194 ]
Action of unbinding driver from a device is not cancellable and should not fail, and driver core does not pay attention to the result of "remove" method, therefore using down_interruptible() in hid_device_remove() does not make sense.
Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hid/hid-core.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 0de2788b9814..7db332139f7d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2306,12 +2306,8 @@ static int hid_device_remove(struct device *dev) { struct hid_device *hdev = to_hid_device(dev); struct hid_driver *hdrv; - int ret = 0;
- if (down_interruptible(&hdev->driver_input_lock)) { - ret = -EINTR; - goto end; - } + down(&hdev->driver_input_lock); hdev->io_started = false;
hdrv = hdev->driver; @@ -2326,8 +2322,8 @@ static int hid_device_remove(struct device *dev)
if (!hdev->io_started) up(&hdev->driver_input_lock); -end: - return ret; + + return 0; }
static ssize_t modalias_show(struct device *dev, struct device_attribute *a,