From: Dan Carpenter <error27@gmail.com> To: Luca Risolia <luca.risolia@studio.unibo.it> Cc: Mauro Carvalho Chehab <mchehab@infradead.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Alexey Dobriyan <adobriyan@gmail.com>, Andreas Mohr <andi@lisas.de>, linux-usb@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [patch] video/sn9c102: improve error handling Date: Sun, 28 Mar 2010 14:50:05 +0300 [thread overview] Message-ID: <20100328115005.GW5069@bicker> (raw) Return an error if the controller is not found. Signed-off-by: Dan Carpenter <error27@gmail.com> diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index cbf8087..28e19da 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -2295,7 +2295,7 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg) if (copy_from_user(&ctrl, arg, sizeof(ctrl))) return -EFAULT; - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) { if (ctrl.id == s->qctrl[i].id) { if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED) return -EINVAL; @@ -2305,7 +2305,9 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg) ctrl.value -= ctrl.value % s->qctrl[i].step; break; } - + } + if (i == ARRAY_SIZE(s->qctrl)) + return -EINVAL; if ((err = s->set_ctrl(cam, &ctrl))) return err;
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com> To: Luca Risolia <luca.risolia@studio.unibo.it> Cc: Mauro Carvalho Chehab <mchehab@infradead.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Alexey Dobriyan <adobriyan@gmail.com>, Andreas Mohr <andi@lisas.de>, linux-usb@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [patch] video/sn9c102: improve error handling Date: Sun, 28 Mar 2010 11:50:05 +0000 [thread overview] Message-ID: <20100328115005.GW5069@bicker> (raw) Return an error if the controller is not found. Signed-off-by: Dan Carpenter <error27@gmail.com> diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index cbf8087..28e19da 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -2295,7 +2295,7 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg) if (copy_from_user(&ctrl, arg, sizeof(ctrl))) return -EFAULT; - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) { if (ctrl.id = s->qctrl[i].id) { if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED) return -EINVAL; @@ -2305,7 +2305,9 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg) ctrl.value -= ctrl.value % s->qctrl[i].step; break; } - + } + if (i = ARRAY_SIZE(s->qctrl)) + return -EINVAL; if ((err = s->set_ctrl(cam, &ctrl))) return err;
next reply other threads:[~2010-03-28 11:50 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-03-28 11:50 Dan Carpenter [this message] 2010-03-28 11:50 ` [patch] video/sn9c102: improve error handling Dan Carpenter 2010-03-28 15:09 ` Christophe JAILLET 2010-03-28 15:09 ` Christophe JAILLET 2010-03-28 15:38 ` Dan Carpenter 2010-03-28 15:38 ` Dan Carpenter
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