From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [RFC PATCH v2 1/3] tun: correctly report an error in tun_flow_init() Date: Thu, 06 Dec 2012 18:31:29 +0800 Message-ID: <2215330.qi9iHRh0XG@jason-thinkpad-t430s> References: <20121205202144.18626.61966.stgit@localhost> <20121205202604.18626.71229.stgit@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: netdev@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@tycho.nsa.gov, mst@redhat.com To: Paul Moore Return-path: In-Reply-To: <20121205202604.18626.71229.stgit@localhost> Sender: linux-security-module-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wednesday, December 05, 2012 03:26:04 PM Paul Moore wrote: > On error, the error code from tun_flow_init() is lost inside > tun_set_iff(), this patch fixes this by assigning the tun_flow_init() > error code to the "err" variable which is returned by > the tun_flow_init() function on error. > > Signed-off-by: Paul Moore > --- > drivers/net/tun.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/tun.c b/drivers/net/tun.c > index a1b2389..14a0454 100644 > --- a/drivers/net/tun.c > +++ b/drivers/net/tun.c > @@ -1591,7 +1591,8 @@ static int tun_set_iff(struct net *net, struct file > *file, struct ifreq *ifr) > tun_net_init(dev); > > - if (tun_flow_init(tun)) > + err = tun_flow_init(tun); > + if (err < 0) > goto err_free_dev; > > dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | > > -- Looks fine, we can separate this out of this series and replace the RFC with net-next to let David apply it soon. Thank Paul.