From: Manu Abraham <abraham.manu@gmail.com>
To: linux-kernel@vger.kernel.org, v4l-dvb-maintainer@linuxtv.org,
akpm@linux-foundation.org
Subject: DVB Update [PATCH 13/31] fix possible frontend deadlock
Date: Fri, 05 Sep 2008 00:25:17 +0400 [thread overview]
Message-ID: <48C0442D.9060702@gmail.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 565 bytes --]
>From 8c37315b9966e21894a76b61177727b462992d65 Mon Sep 17 00:00:00 2001
From: Manu Abraham <manu@linuxtv.org>
Date: Thu, 4 Sep 2008 13:45:00 +0200
Subject: [PATCH] DVB Fix possible frontend deadlock
The frontend will deadlock if an unspecified delivery system
is specified. Before returning error for the unspecified
delivery system, unlock and then exit.
From: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
dvb_frontend.c | 1 +
1 file changed, 1 insertion(+)
[-- Attachment #2: 13.patch --]
[-- Type: text/x-patch, Size: 933 bytes --]
>From 8c37315b9966e21894a76b61177727b462992d65 Mon Sep 17 00:00:00 2001
From: Manu Abraham <manu@linuxtv.org>
Date: Thu, 4 Sep 2008 13:45:00 +0200
Subject: [PATCH] DVB Fix possible frontend deadlock
The frontend will deadlock if an unspecified delivery system
is specified. Before returning error for the unspecified
delivery system, unlock and then exit.
From: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 125facb..313c639 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1789,6 +1789,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
fepriv->max_drift = 0;
break;
default:
+ up(&fepriv->sem);
return -EINVAL;
}
}
reply other threads:[~2008-09-04 20:27 UTC|newest]
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