kernel: 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: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/profile.c b/kernel/profile.c
index 606d738..ae7ead8 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -587,10 +587,10 @@
return 0;
if (create_hash_tables())
return -1;
- entry = create_proc_entry("profile", S_IWUSR | S_IRUGO, NULL);
+ entry = proc_create("profile", S_IWUSR | S_IRUGO,
+ NULL, &proc_profile_operations);
if (!entry)
return 0;
- entry->proc_fops = &proc_profile_operations;
entry->size = (1+prof_len) * sizeof(atomic_t);
hotcpu_notifier(profile_cpu_callback, 0);
return 0;