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| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-30 02:18:32 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-30 02:18:32 -0400 |
| commit | f7a998a9491f2da1d3e44d150aa611d10093da4f (patch) | |
| tree | 5d7c32eff458aeab7bcfeafd2d27e377b1f2b970 | |
| parent | b8800aa5d9c7e4e2869321c77b80f322a0d9663a (diff) | |
| download | linux-f7a998a9491f2da1d3e44d150aa611d10093da4f.tar.gz linux-f7a998a9491f2da1d3e44d150aa611d10093da4f.tar.bz2 linux-f7a998a9491f2da1d3e44d150aa611d10093da4f.zip | |
in untag_chunk() we need to do alloc_chunk() a bit earlier
... while we are not holding spinlocks.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | kernel/audit_tree.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 7f18d3a4527e..37b2bea170c8 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -223,7 +223,7 @@ static void untag_chunk(struct node *p) { struct audit_chunk *chunk = find_chunk(p); struct fsnotify_mark *entry = &chunk->mark; - struct audit_chunk *new; + struct audit_chunk *new = NULL; struct audit_tree *owner; int size = chunk->count - 1; int i, j; @@ -232,9 +232,14 @@ static void untag_chunk(struct node *p) spin_unlock(&hash_lock); + if (size) + new = alloc_chunk(size); + spin_lock(&entry->lock); if (chunk->dead || !entry->i.inode) { spin_unlock(&entry->lock); + if (new) + free_chunk(new); goto out; } @@ -255,9 +260,9 @@ static void untag_chunk(struct node *p) goto out; } - new = alloc_chunk(size); if (!new) goto Fallback; + fsnotify_duplicate_mark(&new->mark, entry); if (fsnotify_add_mark(&new->mark, new->mark.group, new->mark.i.inode, NULL, 1)) { free_chunk(new); |