Patch "net: tun: release the reference of tun device in tun_recvmsg" has been added to the 3.9-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This is a note to let you know that I've just added the patch titled

    net: tun: release the reference of tun device in tun_recvmsg

to the 3.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-tun-release-the-reference-of-tun-device-in-tun_recvmsg.patch
and it can be found in the queue-3.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From a8450dc36241a24946e108e79f691c4e4630accf Mon Sep 17 00:00:00 2001
From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Date: Wed, 24 Apr 2013 21:59:23 +0000
Subject: net: tun: release the reference of tun device in tun_recvmsg


From: Gao feng <gaofeng@xxxxxxxxxxxxxx>

[ Upstream commit 3811ae76bc84e5dc1a670ae10695f046b310bee1 ]

We forget to release the reference of tun device in tun_recvmsg.
bug introduced in commit 54f968d6efdbf7dec36faa44fc11f01b0e4d1990
(tuntap: move socket to tun_file)

Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/tun.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1471,14 +1471,17 @@ static int tun_recvmsg(struct kiocb *ioc
 	if (!tun)
 		return -EBADFD;
 
-	if (flags & ~(MSG_DONTWAIT|MSG_TRUNC))
-		return -EINVAL;
+	if (flags & ~(MSG_DONTWAIT|MSG_TRUNC)) {
+		ret = -EINVAL;
+		goto out;
+	}
 	ret = tun_do_read(tun, tfile, iocb, m->msg_iov, total_len,
 			  flags & MSG_DONTWAIT);
 	if (ret > total_len) {
 		m->msg_flags |= MSG_TRUNC;
 		ret = flags & MSG_TRUNC ? ret : total_len;
 	}
+out:
 	tun_put(tun);
 	return ret;
 }


Patches currently in stable-queue which might be from gaofeng@xxxxxxxxxxxxxx are

queue-3.9/net-tun-release-the-reference-of-tun-device-in-tun_recvmsg.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]