linux-kernel - [PATCH v8 02/19] media: pvrusb2: Do not check for V4L2_CTRL_WHICH_DEF

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

Message-Id: <20210319170906.278238-3-ribalda@chromium.org>
Date:   Fri, 19 Mar 2021 18:08:49 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>,
        Mike Isely <isely@...ox.com>
Subject: [PATCH v8 02/19] media: pvrusb2: Do not check for V4L2_CTRL_WHICH_DEF_VAL

The framework already checks for us if V4L2_CTRL_WHICH_DEF_VAL is
written.

Cc: Mike Isely <isely@...ox.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@...all.nl>
---
 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 9657c1883311..c04ab7258d64 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -640,10 +640,6 @@ static int pvr2_s_ext_ctrls(struct file *file, void *priv,
 	unsigned int idx;
 	int ret;
 
-	/* Default value cannot be changed */
-	if (ctls->which == V4L2_CTRL_WHICH_DEF_VAL)
-		return -EINVAL;
-
 	ret = 0;
 	for (idx = 0; idx < ctls->count; idx++) {
 		ctrl = ctls->controls + idx;
-- 
2.31.0.rc2.261.g7f71774620-goog