[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>

53 files changed, 86 insertions, 86 deletions

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 02717f71d8d..fafdef357e9 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -85,7 +85,7 @@ struct mqueue_inode_info {
 };
 
 static struct inode_operations mqueue_dir_inode_operations;
-static struct file_operations mqueue_file_operations;
+static const struct file_operations mqueue_file_operations;
 static struct super_operations mqueue_super_ops;
 static void remove_notification(struct mqueue_inode_info *info);
 
@@ -1166,7 +1166,7 @@ static struct inode_operations mqueue_dir_inode_operations = {
 	.unlink = mqueue_unlink,
 };
 
-static struct file_operations mqueue_file_operations = {
+static const struct file_operations mqueue_file_operations = {
 	.flush = mqueue_flush_file,
 	.poll = mqueue_poll_file,
 	.read = mqueue_read_file,
diff --git a/ipc/shm.c b/ipc/shm.c
index f8e10a25ad7..5bb617f6306 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -42,7 +42,7 @@
 
 #include "util.h"
 
-static struct file_operations shm_file_operations;
+static const struct file_operations shm_file_operations;
 static struct vm_operations_struct shm_vm_ops;
 
 static struct ipc_ids init_shm_ids;
@@ -249,7 +249,7 @@ static int shm_release(struct inode *ino, struct file *file)
 	return 0;
 }
 
-static struct file_operations shm_file_operations = {
+static const struct file_operations shm_file_operations = {
 	.mmap		= shm_mmap,
 	.release	= shm_release,
 #ifndef CONFIG_MMU
diff --git a/ipc/util.c b/ipc/util.c
index 115e9aac136..08a647965b9 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -205,7 +205,7 @@ void __ipc_init ipc_init_ids(struct ipc_ids* ids, int size)
 }
 
 #ifdef CONFIG_PROC_FS
-static struct file_operations sysvipc_proc_fops;
+static const struct file_operations sysvipc_proc_fops;
 /**
  *	ipc_init_proc_interface	-  Create a proc interface for sysipc types using a seq_file interface.
  *	@path: Path in procfs
@@ -879,7 +879,7 @@ static int sysvipc_proc_release(struct inode *inode, struct file *file)
 	return seq_release_private(inode, file);
 }
 
-static struct file_operations sysvipc_proc_fops = {
+static const struct file_operations sysvipc_proc_fops = {
 	.open    = sysvipc_proc_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 6b05dc69c95..232aed2b10f 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2656,7 +2656,7 @@ static int cpuset_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_cpuset_show, pid);
 }
 
-struct file_operations proc_cpuset_operations = {
+const struct file_operations proc_cpuset_operations = {
 	.open		= cpuset_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/net/802/tr.c b/net/802/tr.c
index 31509f61340..96bd14452c5 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -576,7 +576,7 @@ static int rif_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &rif_seq_ops);
 }
 
-static struct file_operations rif_seq_fops = {
+static const struct file_operations rif_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = rif_seq_open,
 	.read    = seq_read,
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 1b72c9854d6..5e24f72602a 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -81,7 +81,7 @@ static int vlan_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &vlan_seq_ops);
 }
 
-static struct file_operations vlan_fops = {
+static const struct file_operations vlan_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = vlan_seq_open,
 	.read    = seq_read,
@@ -98,7 +98,7 @@ static int vlandev_seq_open(struct inode *inode, struct file *file)
 	return single_open(file, vlandev_seq_show, PDE(inode)->data);
 }
 
-static struct file_operations vlandev_fops = {
+static const struct file_operations vlandev_fops = {
 	.owner = THIS_MODULE,
 	.open    = vlandev_seq_open,
 	.read    = seq_read,
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 27e845d260a..d89d62f3702 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -1048,7 +1048,7 @@ out_kfree:
 	goto out;
 }
 
-struct file_operations atalk_seq_arp_fops = {
+const struct file_operations atalk_seq_arp_fops = {
 	.owner		= THIS_MODULE,
 	.open           = aarp_seq_open,
 	.read           = seq_read,
diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c
index bc3015f277b..57ff8122b5c 100644
--- a/net/appletalk/atalk_proc.c
+++ b/net/appletalk/atalk_proc.c
@@ -240,7 +240,7 @@ static int atalk_seq_socket_open(struct inode *inode, struct file *file)
 	return seq_open(file, &atalk_seq_socket_ops);
 }
 
-static struct file_operations atalk_seq_interface_fops = {
+static const struct file_operations atalk_seq_interface_fops = {
 	.owner		= THIS_MODULE,
 	.open		= atalk_seq_interface_open,
 	.read		= seq_read,
@@ -248,7 +248,7 @@ static struct file_operations atalk_seq_interface_fops = {
 	.release	= seq_release,
 };
 
-static struct file_operations atalk_seq_route_fops = {
+static const struct file_operations atalk_seq_route_fops = {
 	.owner		= THIS_MODULE,
 	.open		= atalk_seq_route_open,
 	.read		= seq_read,
@@ -256,7 +256,7 @@ static struct file_operations atalk_seq_route_fops = {
 	.release	= seq_release,
 };
 
-static struct file_operations atalk_seq_socket_fops = {
+static const struct file_operations atalk_seq_socket_fops = {
 	.owner		= THIS_MODULE,
 	.open		= atalk_seq_socket_open,
 	.read		= seq_read,
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index f949b5c74ec..ec4ebd3299e 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -784,7 +784,7 @@ static int br2684_proc_open(struct inode *inode, struct file *file)
 	return seq_open(file, &br2684_seq_ops);
 }
 
-static struct file_operations br2684_proc_ops = {
+static const struct file_operations br2684_proc_ops = {
 	.owner   = THIS_MODULE,
 	.open    = br2684_proc_open,
 	.read    = seq_read,
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 5f8a1d22272..ebb5d0ce8b6 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -971,7 +971,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations arp_seq_fops = {
+static const struct file_operations arp_seq_fops = {
 	.open		= arp_seq_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 57dc2ab1b65..98694552769 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1212,7 +1212,7 @@ static int lec_seq_release(struct inode *inode, struct file *file)
 	return seq_release_private(inode, file);
 }
 
-static struct file_operations lec_seq_fops = {
+static const struct file_operations lec_seq_fops = {
 	.owner = THIS_MODULE,
 	.open = lec_seq_open,
 	.read = seq_read,
diff --git a/net/atm/mpoa_proc.c b/net/atm/mpoa_proc.c
index 43315af1030..4b05cbec7a5 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -39,7 +39,7 @@ static int parse_qos(const char *buff);
 /*
  *   Define allowed FILE OPERATIONS
  */
-static struct file_operations mpc_file_operations = {
+static const struct file_operations mpc_file_operations = {
 	.owner =	THIS_MODULE,
 	.open =		proc_mpc_open,
 	.read =		seq_read,
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 190f49ce2ca..9e61e512f66 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -33,7 +33,7 @@
 static ssize_t proc_dev_atm_read(struct file *file,char __user *buf,size_t count,
     loff_t *pos);
 
-static struct file_operations proc_atm_dev_ops = {
+static const struct file_operations proc_atm_dev_ops = {
 	.owner =	THIS_MODULE,
 	.read =		proc_dev_atm_read,
 };
@@ -272,7 +272,7 @@ static int atm_dev_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &atm_dev_seq_ops);
 }
 
-static struct file_operations devices_seq_fops = {
+static const struct file_operations devices_seq_fops = {
 	.open		= atm_dev_seq_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -307,7 +307,7 @@ static int pvc_seq_open(struct inode *inode, struct file *file)
 	return __vcc_seq_open(inode, file, PF_ATMPVC, &pvc_seq_ops);
 }
 
-static struct file_operations pvc_seq_fops = {
+static const struct file_operations pvc_seq_fops = {
 	.open		= pvc_seq_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -341,7 +341,7 @@ static int vcc_seq_open(struct inode *inode, struct file *file)
 	return __vcc_seq_open(inode, file, 0, &vcc_seq_ops);
 }
 
-static struct file_operations vcc_seq_fops = {
+static const struct file_operations vcc_seq_fops = {
 	.open		= vcc_seq_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -376,7 +376,7 @@ static int svc_seq_open(struct inode *inode, struct file *file)
 	return __vcc_seq_open(inode, file, PF_ATMSVC, &svc_seq_ops);
 }
 
-static struct file_operations svc_seq_fops = {
+static const struct file_operations svc_seq_fops = {
 	.open		= svc_seq_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -457,7 +457,7 @@ void atm_proc_dev_deregister(struct atm_dev *dev)
 
 static struct atm_proc_entry {
 	char *name;
-	struct file_operations *proc_fops;
+	const struct file_operations *proc_fops;
 	struct proc_dir_entry *dirent;
 } atm_proc_ents[] = {
 	{ .name = "devices",	.proc_fops = &devices_seq_fops },
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 9a0b677d1e7..1c07c6a50eb 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1938,7 +1938,7 @@ static int ax25_info_open(struct inode *inode, struct file *file)
 	return seq_open(file, &ax25_info_seqops);
 }
 
-static struct file_operations ax25_info_fops = {
+static const struct file_operations ax25_info_fops = {
 	.owner = THIS_MODULE,
 	.open = ax25_info_open,
 	.read = seq_read,
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 7078861a738..d65b8e22868 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -332,7 +332,7 @@ static int ax25_rt_info_open(struct inode *inode, struct file *file)
 	return seq_open(file, &ax25_rt_seqops);
 }
 
-struct file_operations ax25_route_fops = {
+const struct file_operations ax25_route_fops = {
 	.owner = THIS_MODULE,
 	.open = ax25_rt_info_open,
 	.read = seq_read,
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 7f4c294b36f..59a41b1e61f 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -198,7 +198,7 @@ static int ax25_uid_info_open(struct inode *inode, struct file *file)
 	return seq_open(file, &ax25_uid_seqops);
 }
 
-struct file_operations ax25_uid_fops = {
+const struct file_operations ax25_uid_fops = {
 	.owner = THIS_MODULE,
 	.open = ax25_uid_info_open,
 	.read = seq_read,
diff --git a/net/core/dev.c b/net/core/dev.c
index 85d58d79932..cf71614dae9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2200,7 +2200,7 @@ static int dev_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &dev_seq_ops);
 }
 
-static struct file_operations dev_seq_fops = {
+static const struct file_operations dev_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = dev_seq_open,
 	.read    = seq_read,
@@ -2220,7 +2220,7 @@ static int softnet_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &softnet_seq_ops);
 }
 
-static struct file_operations softnet_seq_fops = {
+static const struct file_operations softnet_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = softnet_seq_open,
 	.read    = seq_read,
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index bfcbdf73a29..c4e754e86e9 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -277,7 +277,7 @@ static int dev_mc_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &dev_mc_seq_ops);
 }
 
-static struct file_operations dev_mc_seq_fops = {
+static const struct file_operations dev_mc_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = dev_mc_seq_open,
 	.read    = seq_read,
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index c08d6965056..512eed91785 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -63,7 +63,7 @@ void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev);
 
 static struct neigh_table *neigh_tables;
 #ifdef CONFIG_PROC_FS
-static struct file_operations neigh_stat_seq_fops;
+static const struct file_operations neigh_stat_seq_fops;
 #endif
 
 /*
@@ -2403,7 +2403,7 @@ static int neigh_stat_seq_open(struct inode *inode, struct file *file)
 	return ret;
 };
 
-static struct file_operations neigh_stat_seq_fops = {
+static const struct file_operations neigh_stat_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open 	 = neigh_stat_seq_open,
 	.read	 = seq_read,
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index c2818e07a4b..74a9a32b906 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -579,7 +579,7 @@ static int pgctrl_open(struct inode *inode, struct file *file)
 	return single_open(file, pgctrl_show, PDE(inode)->data);
 }
 
-static struct file_operations pktgen_fops = {
+static const struct file_operations pktgen_fops = {
 	.owner   = THIS_MODULE,
 	.open    = pgctrl_open,
 	.read    = seq_read,
@@ -1672,7 +1672,7 @@ static int pktgen_if_open(struct inode *inode, struct file *file)
 	return single_open(file, pktgen_if_show, PDE(inode)->data);
 }
 
-static struct file_operations pktgen_if_fops = {
+static const struct file_operations pktgen_if_fops = {
 	.owner   = THIS_MODULE,
 	.open    = pktgen_if_open,
 	.read    = seq_read,
@@ -1815,7 +1815,7 @@ static int pktgen_thread_open(struct inode *inode, struct file *file)
 	return single_open(file, pktgen_thread_show, PDE(inode)->data);
 }
 
-static struct file_operations pktgen_thread_fops = {
+static const struct file_operations pktgen_thread_fops = {
 	.owner   = THIS_MODULE,
 	.open    = pktgen_thread_open,
 	.read    = seq_read,
diff --git a/net/core/sock.c b/net/core/sock.c
index 1e35d9973f5..e9986acdd0a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1911,7 +1911,7 @@ static int proto_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &proto_seq_ops);
 }
 
-static struct file_operations proto_seq_fops = {
+static const struct file_operations proto_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proto_seq_open,
 	.read		= seq_read,
diff --git a/net/core/wireless.c b/net/core/wireless.c
index 64017d47b25..9936ab11e6e 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -674,7 +674,7 @@ static int wireless_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &wireless_seq_ops);
 }
 
-static struct file_operations wireless_seq_fops = {
+static const struct file_operations wireless_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = wireless_seq_open,
 	.read    = seq_read,
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index f81e37de35d..3b1f509f51d 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -149,7 +149,7 @@ out_free:
 	return error ? error : cnt;
 }
 
-static struct file_operations dccpprobe_fops = {
+static const struct file_operations dccpprobe_fops = {
 	.owner	 = THIS_MODULE,
 	.open	 = dccpprobe_open,
 	.read    = dccpprobe_read,
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 70061641ee5..c6568d637e1 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -2331,7 +2331,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations dn_socket_seq_fops = {
+static const struct file_operations dn_socket_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open		= dn_socket_seq_open,
 	.read		= seq_read,
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index c5e28114beb..2b2c7fe45a7 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1442,7 +1442,7 @@ static int dn_dev_seq_open(struct inode *inode, struct file *file)
 	return seq_open(file, &dn_dev_seq_ops);
 }
 
-static struct file_operations dn_dev_seq_fops = {
+static const struct file_operations dn_dev_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open	 = dn_dev_seq_open,
 	.read	 = seq_read,
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 11d692dfb4f..bf701cf5a38 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -598,7 +598,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations dn_neigh_seq_fops = {
+static const struct file_operations dn_neigh_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open		= dn_neigh_seq_open,
 	.read		= seq_read,
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index efccc42ff1c..c1b5502f195 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1751,7 +1751,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations dn_rt_cache_seq_fops = {
+static const struct file_operations dn_rt_cache_seq_fops = {
 	.owner	 = THIS_MODULE,
 	.open	 = dn_rt_cache_seq_open,
 	.read	 = seq_read,
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index a58afde4f72..0ffd2d2920c 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1390,7 +1390,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations arp_seq_fops = {
+static const struct file_operations arp_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open           = arp_seq_open,
 	.read           = seq_read,
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index dea04d725b0..b21bb28d1fd 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -1057,7 +1057,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations fib_seq_fops = {
+static const struct file_operations fib_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open           = fib_seq_open,
 	.read           = seq_read,
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 004a437bd7b..c33dca07380 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2173,7 +2173,7 @@ static int fib_triestat_seq_open(struct inode *inode, struct file *file)
 	return single_open(file, fib_triestat_seq_show, NULL);
 }
 
-static struct file_operations fib_triestat_fops = {
+static const struct file_operations fib_triestat_fops = {
 	.owner	= THIS_MODULE,
 	.open	= fib_triestat_seq_open,
 	.read	= seq_read,
@@ -2364,7 +2364,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations fib_trie_fops = {
+static const struct file_operations fib_trie_fops = {
 	.owner  = THIS_MODULE,
 	.open   = fib_trie_seq_open,
 	.read   = seq_read,
@@ -2485,7 +2485,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations fib_route_fops = {
+static const struct file_operations fib_route_fops = {
 	.owner  = THIS_MODULE,
 	.open   = fib_route_seq_open,
 	.read   = seq_read,
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index b8e1625d34c..063721302eb 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2403,7 +2403,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations igmp_mc_seq_fops = {
+static const struct file_operations igmp_mc_seq_fops = {
 	.owner		=	THIS_MODULE,
 	.open		=	igmp_mc_seq_open,
 	.read		=	seq_read,
@@ -2577,7 +2577,7 @@ out_kfree:
 	goto out;
 }
 
-static struct file_operations igmp_mcf_seq_fops = {
+static const struct file_operations igmp_mcf_seq_fops = {
 	.owner		=	THIS_MODULE,
 	.open		=	igmp_mcf_seq_open,
 	.read		=	seq_read,
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index ba882bec317..cf49de1a498 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -1200,7 +1200,7 @@ static int pnp_seq_open(struct inode *indoe, struct file *file)
 	return single_open(file, pnp_seq_show, NULL);
 }
 
-static struct file_operations pnp_seq_fops = {
+static const struct file_operations pnp_seq_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pnp_seq_open,
 	.read		= seq_read,
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 604f5b58510..e6d11abd784 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1712,7 +1712,7 @@ out_kfree:
 
 }
 
-static struct file_operations ipmr_vif_fops = {
+static const struct file_operations ipmr_vif_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = ipmr_vif_open,
 	.read    = seq_read,
@@ -1874,7 +1874,7 @@ out_kfree:
 
 }
 
-static struct file_operations ipmr_mfc_fops = {
+static const struct file_operations ipmr_mfc_fops = {
 	.owner	 = THIS_MODULE,
 	.open    = ipmr_mfc_open,
 	.read