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| author | Chen Gang <gang.chen@asianux.com> | 2013-04-29 15:05:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:26 -0700 |
| commit | 12b2f117f3bf738c1a00a6f64393f1953a740bd4 (patch) | |
| tree | acbf54228d7b99e1b2fb984e9cc6619dea199738 /kernel/audit_tree.c | |
| parent | 373e0f3408fe671550d69d9a7965d8a49e988525 (diff) | |
| download | lwn-12b2f117f3bf738c1a00a6f64393f1953a740bd4.tar.gz lwn-12b2f117f3bf738c1a00a6f64393f1953a740bd4.zip | |
kernel/audit_tree.c: tree will leak memory when failure occurs in audit_trim_trees()
audit_trim_trees() calls get_tree(). If a failure occurs we must call
put_tree().
[akpm@linux-foundation.org: run put_tree() before mutex_lock() for small scalability improvement]
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/audit_tree.c')
| -rw-r--r-- | kernel/audit_tree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 642a89c4f3d6..a291aa23fb3f 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -617,9 +617,9 @@ void audit_trim_trees(void) } spin_unlock(&hash_lock); trim_marked(tree); - put_tree(tree); drop_collected_mounts(root_mnt); skip_it: + put_tree(tree); mutex_lock(&audit_filter_mutex); } list_del(&cursor); |