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kernel: use non-racy method for proc entries creation

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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>
This commit is contained in:
Denis V. Lunev 2008-04-29 01:02:31 -07:00 • committed by Linus Torvalds
parent ac41cfd19b
commit c33fff0afb
10 changed files with 16 additions and 55 deletions
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16
kernel/lockdep_proc.c
View file

@ -660,20 +660,12 @@ static const struct file_operations proc_lock_stat_operations = {
static int __init lockdep_proc_init(void)
{
struct proc_dir_entry *entry;
entry = create_proc_entry("lockdep", S_IRUSR, NULL);
if (entry)
entry->proc_fops = &proc_lockdep_operations;
entry = create_proc_entry("lockdep_stats", S_IRUSR, NULL);
if (entry)
entry->proc_fops = &proc_lockdep_stats_operations;
proc_create("lockdep", S_IRUSR, NULL, &proc_lockdep_operations);
proc_create("lockdep_stats", S_IRUSR, NULL,
&proc_lockdep_stats_operations);
#ifdef CONFIG_LOCK_STAT
entry = create_proc_entry("lock_stat", S_IRUSR, NULL);
if (entry)
entry->proc_fops = &proc_lock_stat_operations;
proc_create("lock_stat", S_IRUSR, NULL, &proc_lock_stat_operations);
#endif
return 0;