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 <[email protected]> know about it.
>From a8450dc36241a24946e108e79f691c4e4630accf Mon Sep 17 00:00:00 2001
From: Gao feng <[email protected]>
Date: Wed, 24 Apr 2013 21:59:23 +0000
Subject: net: tun: release the reference of tun device in tun_recvmsg
From: Gao feng <[email protected]>
[ 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 <[email protected]>
Acked-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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 [email protected] are
queue-3.9/net-tun-release-the-reference-of-tun-device-in-tun_recvmsg.patch
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