From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pan Bian Subject: Re: [PATCH 1/1] net: caif: fix ineffective error check Date: Sat, 3 Dec 2016 23:38:56 +0800 Message-ID: <20161203153535.GA7976@bp> References: <1480763901-5323-1-git-send-email-bianpan2016@163.com> Reply-To: PanBian Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: PanBian , netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Sergei Shtylyov , Dmitry Tarnyagin , "David S. Miller" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: PanBian Hello Sergei, On Sat, Dec 03, 2016 at 04:17:51PM +0300, Sergei Shtylyov wrote: > Hello. > > On 12/3/2016 2:18 PM, Pan Bian wrote: > > >In function caif_sktinit_module(), the check of the return value of > >sock_register() seems ineffective. This patch fixes it. > > > >Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188751 > > > >Signed-off-by: Pan Bian > >--- > > net/caif/caif_socket.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > >diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c > >index aa209b1..2a689a3 100644 > >--- a/net/caif/caif_socket.c > >+++ b/net/caif/caif_socket.c > >@@ -1108,7 +1108,7 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, > > static int __init caif_sktinit_module(void) > > { > > int err = sock_register(&caif_family_ops); > >- if (!err) > >+ if (err) > > return err; > > Why not just: > > return sock_register(&caif_family_ops); > Your solution looks much cleaner. But I am not really sure whether it is the author's intention to return 0 anyway. Do you have any idea? Thanks! > > return 0; > > } > > MBR, Sergei > Best regards, Pan