From: Christoph Hellwig Subject: [PATCH 14/42] net/kcm: simplify proc registration Date: Wed, 16 May 2018 11:43:18 +0200 Message-ID: <20180516094346.20506-15-hch@lst.de> References: <20180516094346.20506-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-rtc@vger.kernel.org, Alessandro Zummo , Alexandre Belloni , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Greg Kroah-Hartman , jfs-discussion@lists.sourceforge.net, linux-afs@lists.infradead.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Jiri Slaby , linux-ext4@vger.kernel.org, Alexey Dobriyan , megaraidlinux.pdl@broadcom.com, drbd-dev@lists.linbit.com To: Andrew Morton , Alexander Viro Return-path: In-Reply-To: <20180516094346.20506-1-hch@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" List-Id: linux-ext4.vger.kernel.org Remove a couple indirections to make the code look like most other protocols. Signed-off-by: Christoph Hellwig --- net/kcm/kcmproc.c | 71 ++++++++++++----------------------------------- 1 file changed, 17 insertions(+), 54 deletions(-) diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c index 1fac92543094..6d0667e62baf 100644 --- a/net/kcm/kcmproc.c +++ b/net/kcm/kcmproc.c @@ -15,12 +15,6 @@ #include #ifdef CONFIG_PROC_FS -struct kcm_seq_muxinfo { - char *name; - const struct file_operations *seq_fops; - const struct seq_operations seq_ops; -}; - static struct kcm_mux *kcm_get_first(struct seq_file *seq) { struct net *net = seq_file_net(seq); @@ -86,14 +80,6 @@ struct kcm_proc_mux_state { int idx; }; -static int kcm_seq_open(struct inode *inode, struct file *file) -{ - struct kcm_seq_muxinfo *muxinfo = PDE_DATA(inode); - - return seq_open_net(inode, file, &muxinfo->seq_ops, - sizeof(struct kcm_proc_mux_state)); -} - static void kcm_format_mux_header(struct seq_file *seq) { struct net *net = seq_file_net(seq); @@ -246,6 +232,19 @@ static int kcm_seq_show(struct seq_file *seq, void *v) return 0; } +static const struct seq_operations kcm_seq_ops = { + .show = kcm_seq_show, + .start = kcm_seq_start, + .next = kcm_seq_next, + .stop = kcm_seq_stop, +}; + +static int kcm_seq_open(struct inode *inode, struct file *file) +{ + return seq_open_net(inode, file, &kcm_seq_ops, + sizeof(struct kcm_proc_mux_state)); +} + static const struct file_operations kcm_seq_fops = { .open = kcm_seq_open, .read = seq_read, @@ -253,37 +252,6 @@ static const struct file_operations kcm_seq_fops = { .release = seq_release_net, }; -static struct kcm_seq_muxinfo kcm_seq_muxinfo = { - .name = "kcm", - .seq_fops = &kcm_seq_fops, - .seq_ops = { - .show = kcm_seq_show, - .start = kcm_seq_start, - .next = kcm_seq_next, - .stop = kcm_seq_stop, - } -}; - -static int kcm_proc_register(struct net *net, struct kcm_seq_muxinfo *muxinfo) -{ - struct proc_dir_entry *p; - int rc = 0; - - p = proc_create_data(muxinfo->name, 0444, net->proc_net, - muxinfo->seq_fops, muxinfo); - if (!p) - rc = -ENOMEM; - return rc; -} -EXPORT_SYMBOL(kcm_proc_register); - -static void kcm_proc_unregister(struct net *net, - struct kcm_seq_muxinfo *muxinfo) -{ - remove_proc_entry(muxinfo->name, net->proc_net); -} -EXPORT_SYMBOL(kcm_proc_unregister); - static int kcm_stats_seq_show(struct seq_file *seq, void *v) { struct kcm_psock_stats psock_stats; @@ -404,16 +372,11 @@ static const struct file_operations kcm_stats_seq_fops = { static int kcm_proc_init_net(struct net *net) { - int err; - if (!proc_create("kcm_stats", 0444, net->proc_net, - &kcm_stats_seq_fops)) { - err = -ENOMEM; + &kcm_stats_seq_fops)) goto out_kcm_stats; - } - err = kcm_proc_register(net, &kcm_seq_muxinfo); - if (err) + if (!proc_create("kcm", 0444, net->proc_net, &kcm_seq_fops)) goto out_kcm; return 0; @@ -421,12 +384,12 @@ static int kcm_proc_init_net(struct net *net) out_kcm: remove_proc_entry("kcm_stats", net->proc_net); out_kcm_stats: - return err; + return -ENOMEM; } static void kcm_proc_exit_net(struct net *net) { - kcm_proc_unregister(net, &kcm_seq_muxinfo); + remove_proc_entry("kcm", net->proc_net); remove_proc_entry("kcm_stats", net->proc_net); } -- 2.17.0