ia64: use non-racy method for proc entries creation

Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index c8e403752a0..7fbb51e10bb 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -6695,16 +6695,12 @@ pfm_init(void)
         /*
          * create /proc/perfmon (mostly for debugging purposes)
          */
-        perfmon_dir = create_proc_entry("perfmon", S_IRUGO, NULL);
+        perfmon_dir = proc_create("perfmon", S_IRUGO, NULL, &pfm_proc_fops);
         if (perfmon_dir == NULL) {
                 printk(KERN_ERR "perfmon: cannot create /proc entry, perfmon disabled\n");
                 pmu_conf = NULL;
                 return -1;
         }
-        /*
-         * install customized file operations for /proc/perfmon entry
-         */
-        perfmon_dir->proc_fops = &pfm_proc_fops;
 
         /*
          * create /proc/sys/kernel/perfmon (for debugging purposes)