2009-09-02 05:43:14

by Stephen Hemminger

[permalink] [raw]
Subject: [PATCH 5/5] net: file_operations should be const

All instances of file_operations should be const.

Signed-off-by: Stephen Hemminger <[email protected]>


---
net/ipv6/ip6mr.c | 4 ++--
net/irda/irnet/irnet_ppp.h | 2 +-
net/irda/irproc.c | 14 +++++++-------
net/key/af_key.c | 2 +-
net/mac80211/rc80211_minstrel_debugfs.c | 2 +-
net/mac80211/rc80211_pid_debugfs.c | 2 +-
net/xfrm/xfrm_proc.c | 2 +-
7 files changed, 14 insertions(+), 14 deletions(-)

--- a/net/ipv6/ip6mr.c 2009-09-01 22:06:18.049861877 -0700
+++ b/net/ipv6/ip6mr.c 2009-09-01 22:06:45.101130517 -0700
@@ -217,7 +217,7 @@ static int ip6mr_vif_open(struct inode *
sizeof(struct ipmr_vif_iter));
}

-static struct file_operations ip6mr_vif_fops = {
+static const struct file_operations ip6mr_vif_fops = {
.owner = THIS_MODULE,
.open = ip6mr_vif_open,
.read = seq_read,
@@ -341,7 +341,7 @@ static int ipmr_mfc_open(struct inode *i
sizeof(struct ipmr_mfc_iter));
}

-static struct file_operations ip6mr_mfc_fops = {
+static const struct file_operations ip6mr_mfc_fops = {
.owner = THIS_MODULE,
.open = ipmr_mfc_open,
.read = seq_read,
--- a/net/irda/irnet/irnet_ppp.h 2009-09-01 22:06:18.066775983 -0700
+++ b/net/irda/irnet/irnet_ppp.h 2009-09-01 22:07:01.768232028 -0700
@@ -95,7 +95,7 @@ static int
/**************************** VARIABLES ****************************/

/* Filesystem callbacks (to call us) */
-static struct file_operations irnet_device_fops =
+static const struct file_operations irnet_device_fops =
{
.owner = THIS_MODULE,
.read = dev_irnet_read,
--- a/net/irda/irproc.c 2009-09-01 22:06:18.083862409 -0700
+++ b/net/irda/irproc.c 2009-09-01 22:07:33.742884934 -0700
@@ -34,21 +34,21 @@
#include <net/irda/irlap.h>
#include <net/irda/irlmp.h>

-extern struct file_operations discovery_seq_fops;
-extern struct file_operations irlap_seq_fops;
-extern struct file_operations irlmp_seq_fops;
-extern struct file_operations irttp_seq_fops;
-extern struct file_operations irias_seq_fops;
+extern const struct file_operations discovery_seq_fops;
+extern const struct file_operations irlap_seq_fops;
+extern const struct file_operations irlmp_seq_fops;
+extern const struct file_operations irttp_seq_fops;
+extern const struct file_operations irias_seq_fops;

struct irda_entry {
const char *name;
- struct file_operations *fops;
+ const struct file_operations *fops;
};

struct proc_dir_entry *proc_irda;
EXPORT_SYMBOL(proc_irda);

-static struct irda_entry irda_dirs[] = {
+static const struct irda_entry irda_dirs[] = {
{"discovery", &discovery_seq_fops},
{"irttp", &irttp_seq_fops},
{"irlmp", &irlmp_seq_fops},
--- a/net/key/af_key.c 2009-09-01 22:06:18.103861872 -0700
+++ b/net/key/af_key.c 2009-09-01 22:07:53.008956985 -0700
@@ -3718,7 +3718,7 @@ static int pfkey_seq_open(struct inode *
sizeof(struct seq_net_private));
}

-static struct file_operations pfkey_proc_ops = {
+static const struct file_operations pfkey_proc_ops = {
.open = pfkey_seq_open,
.read = seq_read,
.llseek = seq_lseek,
--- a/net/mac80211/rc80211_minstrel_debugfs.c 2009-09-01 22:06:18.119862498 -0700
+++ b/net/mac80211/rc80211_minstrel_debugfs.c 2009-09-01 22:08:22.747241542 -0700
@@ -139,7 +139,7 @@ minstrel_stats_release(struct inode *ino
return 0;
}

-static struct file_operations minstrel_stat_fops = {
+static const struct file_operations minstrel_stat_fops = {
.owner = THIS_MODULE,
.open = minstrel_stats_open,
.read = minstrel_stats_read,
--- a/net/mac80211/rc80211_pid_debugfs.c 2009-09-01 22:06:18.135862300 -0700
+++ b/net/mac80211/rc80211_pid_debugfs.c 2009-09-01 22:08:28.843245757 -0700
@@ -198,7 +198,7 @@ static ssize_t rate_control_pid_events_r

#undef RC_PID_PRINT_BUF_SIZE

-static struct file_operations rc_pid_fop_events = {
+static const struct file_operations rc_pid_fop_events = {
.owner = THIS_MODULE,
.read = rate_control_pid_events_read,
.poll = rate_control_pid_events_poll,
--- a/net/xfrm/xfrm_proc.c 2009-09-01 22:06:18.169862213 -0700
+++ b/net/xfrm/xfrm_proc.c 2009-09-01 22:08:48.707830315 -0700
@@ -60,7 +60,7 @@ static int xfrm_statistics_seq_open(stru
return single_open_net(inode, file, xfrm_statistics_seq_show);
}

-static struct file_operations xfrm_statistics_seq_fops = {
+static const struct file_operations xfrm_statistics_seq_fops = {
.owner = THIS_MODULE,
.open = xfrm_statistics_seq_open,
.read = seq_read,

--



2009-09-02 14:00:28

by John W. Linville

[permalink] [raw]
Subject: Re: [PATCH 5/5] net: file_operations should be const

On Tue, Sep 01, 2009 at 10:25:05PM -0700, Stephen Hemminger wrote:
> All instances of file_operations should be const.
>
> Signed-off-by: Stephen Hemminger <[email protected]>

ACK

--
John W. Linville Someday the world will need a hero, and you
[email protected] might be all we have. Be ready.

2009-09-02 08:53:12

by Samuel Ortiz

[permalink] [raw]
Subject: Re: [PATCH 5/5] net: file_operations should be const

On Tue, 2009-09-01 at 22:25 -0700, Stephen Hemminger wrote:
> plain text document attachment (const-file-ops.patch)
> All instances of file_operations should be const.
>
> Signed-off-by: Stephen Hemminger <[email protected]>
For the IrDA parts:
Acked-by: Samuel Ortiz <[email protected]>

>
> ---
> net/ipv6/ip6mr.c | 4 ++--
> net/irda/irnet/irnet_ppp.h | 2 +-
> net/irda/irproc.c | 14 +++++++-------
> net/key/af_key.c | 2 +-
> net/mac80211/rc80211_minstrel_debugfs.c | 2 +-
> net/mac80211/rc80211_pid_debugfs.c | 2 +-
> net/xfrm/xfrm_proc.c | 2 +-
> 7 files changed, 14 insertions(+), 14 deletions(-)
>
> --- a/net/ipv6/ip6mr.c 2009-09-01 22:06:18.049861877 -0700
> +++ b/net/ipv6/ip6mr.c 2009-09-01 22:06:45.101130517 -0700
> @@ -217,7 +217,7 @@ static int ip6mr_vif_open(struct inode *
> sizeof(struct ipmr_vif_iter));
> }
>
> -static struct file_operations ip6mr_vif_fops = {
> +static const struct file_operations ip6mr_vif_fops = {
> .owner = THIS_MODULE,
> .open = ip6mr_vif_open,
> .read = seq_read,
> @@ -341,7 +341,7 @@ static int ipmr_mfc_open(struct inode *i
> sizeof(struct ipmr_mfc_iter));
> }
>
> -static struct file_operations ip6mr_mfc_fops = {
> +static const struct file_operations ip6mr_mfc_fops = {
> .owner = THIS_MODULE,
> .open = ipmr_mfc_open,
> .read = seq_read,
> --- a/net/irda/irnet/irnet_ppp.h 2009-09-01 22:06:18.066775983 -0700
> +++ b/net/irda/irnet/irnet_ppp.h 2009-09-01 22:07:01.768232028 -0700
> @@ -95,7 +95,7 @@ static int
> /**************************** VARIABLES ****************************/
>
> /* Filesystem callbacks (to call us) */
> -static struct file_operations irnet_device_fops =
> +static const struct file_operations irnet_device_fops =
> {
> .owner = THIS_MODULE,
> .read = dev_irnet_read,
> --- a/net/irda/irproc.c 2009-09-01 22:06:18.083862409 -0700
> +++ b/net/irda/irproc.c 2009-09-01 22:07:33.742884934 -0700
> @@ -34,21 +34,21 @@
> #include <net/irda/irlap.h>
> #include <net/irda/irlmp.h>
>
> -extern struct file_operations discovery_seq_fops;
> -extern struct file_operations irlap_seq_fops;
> -extern struct file_operations irlmp_seq_fops;
> -extern struct file_operations irttp_seq_fops;
> -extern struct file_operations irias_seq_fops;
> +extern const struct file_operations discovery_seq_fops;
> +extern const struct file_operations irlap_seq_fops;
> +extern const struct file_operations irlmp_seq_fops;
> +extern const struct file_operations irttp_seq_fops;
> +extern const struct file_operations irias_seq_fops;
>
> struct irda_entry {
> const char *name;
> - struct file_operations *fops;
> + const struct file_operations *fops;
> };
>
> struct proc_dir_entry *proc_irda;
> EXPORT_SYMBOL(proc_irda);
>
> -static struct irda_entry irda_dirs[] = {
> +static const struct irda_entry irda_dirs[] = {
> {"discovery", &discovery_seq_fops},
> {"irttp", &irttp_seq_fops},
> {"irlmp", &irlmp_seq_fops},
> --- a/net/key/af_key.c 2009-09-01 22:06:18.103861872 -0700
> +++ b/net/key/af_key.c 2009-09-01 22:07:53.008956985 -0700
> @@ -3718,7 +3718,7 @@ static int pfkey_seq_open(struct inode *
> sizeof(struct seq_net_private));
> }
>
> -static struct file_operations pfkey_proc_ops = {
> +static const struct file_operations pfkey_proc_ops = {
> .open = pfkey_seq_open,
> .read = seq_read,
> .llseek = seq_lseek,
> --- a/net/mac80211/rc80211_minstrel_debugfs.c 2009-09-01 22:06:18.119862498 -0700
> +++ b/net/mac80211/rc80211_minstrel_debugfs.c 2009-09-01 22:08:22.747241542 -0700
> @@ -139,7 +139,7 @@ minstrel_stats_release(struct inode *ino
> return 0;
> }
>
> -static struct file_operations minstrel_stat_fops = {
> +static const struct file_operations minstrel_stat_fops = {
> .owner = THIS_MODULE,
> .open = minstrel_stats_open,
> .read = minstrel_stats_read,
> --- a/net/mac80211/rc80211_pid_debugfs.c 2009-09-01 22:06:18.135862300 -0700
> +++ b/net/mac80211/rc80211_pid_debugfs.c 2009-09-01 22:08:28.843245757 -0700
> @@ -198,7 +198,7 @@ static ssize_t rate_control_pid_events_r
>
> #undef RC_PID_PRINT_BUF_SIZE
>
> -static struct file_operations rc_pid_fop_events = {
> +static const struct file_operations rc_pid_fop_events = {
> .owner = THIS_MODULE,
> .read = rate_control_pid_events_read,
> .poll = rate_control_pid_events_poll,
> --- a/net/xfrm/xfrm_proc.c 2009-09-01 22:06:18.169862213 -0700
> +++ b/net/xfrm/xfrm_proc.c 2009-09-01 22:08:48.707830315 -0700
> @@ -60,7 +60,7 @@ static int xfrm_statistics_seq_open(stru
> return single_open_net(inode, file, xfrm_statistics_seq_show);
> }
>
> -static struct file_operations xfrm_statistics_seq_fops = {
> +static const struct file_operations xfrm_statistics_seq_fops = {
> .owner = THIS_MODULE,
> .open = xfrm_statistics_seq_open,
> .read = seq_read,
>