From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Cristina Opriceana , Jonathan Cameron , Kamal Mostafa Subject: [PATCH 3.13.y-ckt 21/85] iio: event: Remove negative error code from iio_event_poll Date: Tue, 20 Oct 2015 14:34:37 -0700 Message-Id: <1445376941-7046-22-git-send-email-kamal@canonical.com> In-Reply-To: <1445376941-7046-1-git-send-email-kamal@canonical.com> References: <1445376941-7046-1-git-send-email-kamal@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.13.11-ckt28 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Cristina Opriceana commit 41d903c00051d8f31c98a8136edbac67e6f8688f upstream. Negative return values are not supported by iio_event_poll since its return type is unsigned int. Fixes: f18e7a068a0a3 ("iio: Return -ENODEV for file operations if the device has been unregistered") Signed-off-by: Cristina Opriceana Signed-off-by: Jonathan Cameron Signed-off-by: Kamal Mostafa --- drivers/iio/industrialio-event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 7c35689..2a55ee1 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -77,7 +77,7 @@ static unsigned int iio_event_poll(struct file *filep, unsigned int events = 0; if (!indio_dev->info) - return -ENODEV; + return events; poll_wait(filep, &ev_int->wait, wait); -- 1.9.1