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in untag_chunk() we need to do alloc_chunk() a bit earlier

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... while we are not holding spinlocks.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-10-30 02:18:32 -04:00
parent b8800aa5d9
commit f7a998a949
1 changed files with 7 additions and 2 deletions
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9
kernel/audit_tree.c
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@ -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);