[fs/9p] Plug potential acl leak

In v9fs_get_acl() if __v9fs_get_acl() gets only one of the
dacl/pacl we are not releasing it.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 02a2cf616318..291ff7be27f6 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -71,11 +71,15 @@ int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
         if (!IS_ERR(dacl) && !IS_ERR(pacl)) {
                 set_cached_acl(inode, ACL_TYPE_DEFAULT, dacl);
                 set_cached_acl(inode, ACL_TYPE_ACCESS, pacl);
-                posix_acl_release(dacl);
-                posix_acl_release(pacl);
         } else
                 retval = -EIO;
 
+        if (!IS_ERR(dacl))
+                posix_acl_release(dacl);
+
+        if (!IS_ERR(pacl))
+                posix_acl_release(pacl);
+
         return retval;
 }