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authorDenis V. Lunev <den@openvz.org>2008-04-29 01:02:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:22 -0700
commitc33fff0afbef4f0467c99e3f47ee7e98ae78c77e (patch)
treed6b5f8dc77aa21de95bbca76c6be6056026cc1d8 /kernel/lockdep_proc.c
parentac41cfd19bf77424519b962f8205ede51fceaac6 (diff)
downloadop-kernel-dev-c33fff0afbef4f0467c99e3f47ee7e98ae78c77e.zip
op-kernel-dev-c33fff0afbef4f0467c99e3f47ee7e98ae78c77e.tar.gz
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>
Diffstat (limited to 'kernel/lockdep_proc.c')
-rw-r--r--kernel/lockdep_proc.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index 8a135bd..dc5d296 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -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;
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