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authorColin Cross <ccross@android.com>2011-07-12 20:10:37 -0700
committerColin Cross <ccross@android.com>2011-07-12 20:10:37 -0700
commit75c56a81116e51c5cf15c0641906d0745188cd16 (patch)
treec1d8e7def5bbb099a39d5e9ccfb13508ea5ca46a /fs/locks.c
parentb4294d618e8a19bb47826e51ae52b9fb2fe05f80 (diff)
parent620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff)
Merge commit 'v3.0-rc7' into android-3.0
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/fs/locks.c b/fs/locks.c
index 0a4f50dfadf..b286539d547 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -160,10 +160,28 @@ EXPORT_SYMBOL_GPL(unlock_flocks);
static struct kmem_cache *filelock_cache __read_mostly;
+static void locks_init_lock_always(struct file_lock *fl)
+{
+ fl->fl_next = NULL;
+ fl->fl_fasync = NULL;
+ fl->fl_owner = NULL;
+ fl->fl_pid = 0;
+ fl->fl_nspid = NULL;
+ fl->fl_file = NULL;
+ fl->fl_flags = 0;
+ fl->fl_type = 0;
+ fl->fl_start = fl->fl_end = 0;
+}
+
/* Allocate an empty lock structure. */
struct file_lock *locks_alloc_lock(void)
{
- return kmem_cache_alloc(filelock_cache, GFP_KERNEL);
+ struct file_lock *fl = kmem_cache_alloc(filelock_cache, GFP_KERNEL);
+
+ if (fl)
+ locks_init_lock_always(fl);
+
+ return fl;
}
EXPORT_SYMBOL_GPL(locks_alloc_lock);
@@ -200,17 +218,9 @@ void locks_init_lock(struct file_lock *fl)
INIT_LIST_HEAD(&fl->fl_link);
INIT_LIST_HEAD(&fl->fl_block);
init_waitqueue_head(&fl->fl_wait);
- fl->fl_next = NULL;
- fl->fl_fasync = NULL;
- fl->fl_owner = NULL;
- fl->fl_pid = 0;
- fl->fl_nspid = NULL;
- fl->fl_file = NULL;
- fl->fl_flags = 0;
- fl->fl_type = 0;
- fl->fl_start = fl->fl_end = 0;
fl->fl_ops = NULL;
fl->fl_lmops = NULL;
+ locks_init_lock_always(fl);
}
EXPORT_SYMBOL(locks_init_lock);