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From: Hans de Goede <hdegoede@redhat.com>
To: Linux Media Mailing List <linux-media@vger.kernel.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Hans de Goede <hdegoede@redhat.com>
Subject: [PATCH 05/10] uvcvideo: Fix a "ignoring return value of ‘__clear_user’" warning
Date: Sun, 25 Mar 2012 13:56:45 +0200	[thread overview]
Message-ID: <1332676610-14953-6-git-send-email-hdegoede@redhat.com> (raw)
In-Reply-To: <1332676610-14953-1-git-send-email-hdegoede@redhat.com>

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/media/video/uvc/uvc_v4l2.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index ff2cddd..8db90ef 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -1097,7 +1097,8 @@ static int uvc_v4l2_put_xu_mapping(const struct uvc_xu_control_mapping *kp,
 	    __put_user(kp->menu_count, &up->menu_count))
 		return -EFAULT;
 
-	__clear_user(up->reserved, sizeof(up->reserved));
+	if (__clear_user(up->reserved, sizeof(up->reserved)))
+		return -EFAULT;
 
 	if (kp->menu_count == 0)
 		return 0;
-- 
1.7.9.3


  parent reply	other threads:[~2012-03-25 11:54 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-25 11:56 uvc & pwc: Add support for control events (v2) Hans de Goede
2012-03-25 11:56 ` [PATCH 01/10] pwc: Add support for control events Hans de Goede
2012-03-25 11:56 ` [PATCH 02/10] media/radio: use v4l2_ctrl_subscribe_event where possible Hans de Goede
2012-03-25 11:56 ` [PATCH 03/10] v4l2-event: Add v4l2_subscribed_event_ops Hans de Goede
2012-03-25 11:56 ` [PATCH 04/10] v4l2-ctrls: Use v4l2_subscribed_event_ops Hans de Goede
2012-03-25 11:56 ` Hans de Goede [this message]
2012-03-27 15:48   ` [PATCH 05/10] uvcvideo: Fix a "ignoring return value of ‘__clear_user’" warning Laurent Pinchart
2012-03-25 11:56 ` [PATCH 06/10] uvcvideo: Refactor uvc_ctrl_get and query Hans de Goede
2012-03-28  9:26   ` Laurent Pinchart
2012-03-25 11:56 ` [PATCH 07/10] uvcvideo: Move __uvc_ctrl_get() up Hans de Goede
2012-03-28  8:59   ` Laurent Pinchart
2012-03-25 11:56 ` [PATCH 08/10] uvcvideo: Add support for control events Hans de Goede
2012-03-28  9:25   ` Laurent Pinchart
2012-03-25 11:56 ` [PATCH 09/10] uvcvideo: Properly report the inactive flag for inactive controls Hans de Goede
2012-03-28  9:12   ` Laurent Pinchart
2012-03-28 14:09     ` Hans de Goede
2012-04-08 15:19     ` Hans de Goede
2012-03-25 11:56 ` [PATCH 10/10] uvcvideo: Send control change events for slave ctrls when the master changes Hans de Goede
2012-03-28  9:34   ` Laurent Pinchart
2012-03-28 14:11     ` Hans de Goede

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