if (IS_ERR(acl)) return PTR_ERR(acl); 
ext3_check_acl(struct inode *inode, int mask){	struct posix_acl *acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);	if (acl) {		int error = posix_acl_permission(inode, acl, mask);		posix_acl_release(acl);		return error;	}	return -EAGAIN;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/e493073d8d053429fbb42331b57a95dd0d61cadb/acl.c/buggy/fs/ext3/acl.c