linux-kernel - [PATCH] iio: event: Remove negative error code from iio_event

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 3 Aug 2015 13:00:47 +0300
From:	Cristina Opriceana <cristina.opriceana@...il.com>
To:	jic23@...nel.org
Cc:	knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	daniel.baluta@...el.com
Subject: [PATCH] iio: event: Remove negative error code from iio_event_poll

Negative return values are not supported by iio_event_poll since
its return type is unsigned int.

Signed-off-by: Cristina Opriceana <cristina.opriceana@...il.com>
---
 drivers/iio/industrialio-event.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index b2f63f9..eb44dab 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -80,7 +80,7 @@ EXPORT_SYMBOL(iio_push_event);
  * @wait:	Poll table pointer to add the wait queue on
  *
  * Return: (POLLIN | POLLRDNORM) if data is available for reading
- *	   or a negative error code on failure
+ *	   or 0 on failure
  */
 static unsigned int iio_event_poll(struct file *filep,
 			     struct poll_table_struct *wait)
@@ -90,7 +90,7 @@ 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/