[PATCH] mark struct file_operations const 1

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/net/ax25.h b/include/net/ax25.h
index 5ae10dd2e32e..47ff2f46e908 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -377,7 +377,7 @@ extern int  ax25_check_iframes_acked(ax25_cb *, unsigned short);
 /* ax25_route.c */
 extern void ax25_rt_device_down(struct net_device *);
 extern int  ax25_rt_ioctl(unsigned int, void __user *);
-extern struct file_operations ax25_route_fops;
+extern const struct file_operations ax25_route_fops;
 extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev);
 extern int  ax25_rt_autobind(ax25_cb *, ax25_address *);
 extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *);
@@ -430,7 +430,7 @@ extern unsigned long ax25_display_timer(struct timer_list *);
 extern int  ax25_uid_policy;
 extern ax25_uid_assoc *ax25_findbyuid(uid_t);
 extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
-extern struct file_operations ax25_uid_fops;
+extern const struct file_operations ax25_uid_fops;
 extern void ax25_uid_free(void);
 
 /* sysctl_net_ax25.c */