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| author |   Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:35 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | 9a32144e9d7b4e21341174b1a83b82a82353be86 (patch) | |
| tree | 6f08560b341418fc9934f56f6162a95f5b5d8aec /net/ipv4/netfilter | |
| parent | [PATCH] mark struct file_operations const 6 (diff) | |
| download | linux-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.tar.xz linux-dev-9a32144e9d7b4e21341174b1a83b82a82353be86.zip | |
[PATCH] mark struct file_operations const 7
Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipv4/netfilter')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_standalone.c | 6 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ipt_CLUSTERIP.c | 4 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ipt_recent.c | 4 | ||||
| -rw-r--r-- | net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 6 |
4 files changed, 10 insertions, 10 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c index 5903588fddce..300ccbbbdac9 100644 --- a/net/ipv4/netfilter/ip_conntrack_standalone.c +++ b/net/ipv4/netfilter/ip_conntrack_standalone.c @@ -222,7 +222,7 @@ out_free: return ret; } -static struct file_operations ct_file_ops = { +static const struct file_operations ct_file_ops = { .owner = THIS_MODULE, .open = ct_open, .read = seq_read, @@ -298,7 +298,7 @@ static int exp_open(struct inode *inode, struct file *file) return seq_open(file, &exp_seq_ops); } -static struct file_operations exp_file_ops = { +static const struct file_operations exp_file_ops = { .owner = THIS_MODULE, .open = exp_open, .read = seq_read, @@ -386,7 +386,7 @@ static int ct_cpu_seq_open(struct inode *inode, struct file *file) return seq_open(file, &ct_cpu_seq_ops); } -static struct file_operations ct_cpu_seq_fops = { +static const struct file_operations ct_cpu_seq_fops = { .owner = THIS_MODULE, .open = ct_cpu_seq_open, .read = seq_read, diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 4fe28f264475..e965b333c997 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -70,7 +70,7 @@ static LIST_HEAD(clusterip_configs); static DEFINE_RWLOCK(clusterip_lock); #ifdef CONFIG_PROC_FS -static struct file_operations clusterip_proc_fops; +static const struct file_operations clusterip_proc_fops; static struct proc_dir_entry *clusterip_procdir; #endif @@ -715,7 +715,7 @@ static ssize_t clusterip_proc_write(struct file *file, const char __user *input, return size; } -static struct file_operations clusterip_proc_fops = { +static const struct file_operations clusterip_proc_fops = { .owner = THIS_MODULE, .open = clusterip_proc_open, .read = seq_read, diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c index 6b97b6796173..aecb9c48e152 100644 --- a/net/ipv4/netfilter/ipt_recent.c +++ b/net/ipv4/netfilter/ipt_recent.c @@ -79,7 +79,7 @@ static DEFINE_MUTEX(recent_mutex); #ifdef CONFIG_PROC_FS static struct proc_dir_entry *proc_dir; -static struct file_operations recent_fops; +static const struct file_operations recent_fops; #endif static u_int32_t hash_rnd; @@ -454,7 +454,7 @@ static ssize_t recent_proc_write(struct file *file, const char __user *input, return size; } -static struct file_operations recent_fops = { +static const struct file_operations recent_fops = { .open = recent_seq_open, .read = seq_read, .write = recent_proc_write, diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index 14a93a738418..89f933e81035 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -197,7 +197,7 @@ out_free: return ret; } -static struct file_operations ct_file_ops = { +static const struct file_operations ct_file_ops = { .owner = THIS_MODULE, .open = ct_open, .read = seq_read, @@ -278,7 +278,7 @@ static int exp_open(struct inode *inode, struct file *file) return seq_open(file, &exp_seq_ops); } -static struct file_operations ip_exp_file_ops = { +static const struct file_operations ip_exp_file_ops = { .owner = THIS_MODULE, .open = exp_open, .read = seq_read, @@ -366,7 +366,7 @@ static int ct_cpu_seq_open(struct inode *inode, struct file *file) return seq_open(file, &ct_cpu_seq_ops); } -static struct file_operations ct_cpu_seq_fops = { +static const struct file_operations ct_cpu_seq_fops = { .owner = THIS_MODULE, .open = ct_cpu_seq_open, .read = seq_read, |