Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757625AbbEVRWm (ORCPT ); Fri, 22 May 2015 13:22:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59230 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756792AbbEVRWk (ORCPT ); Fri, 22 May 2015 13:22:40 -0400 Date: Fri, 22 May 2015 19:22:31 +0200 From: Jiri Olsa To: Wang Nan Cc: paulus@samba.org, a.p.zijlstra@chello.nl, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, jolsa@kernel.org, dsahern@gmail.com, ast@plumgrid.com, daniel@iogearbox.net, brendan.d.gregg@gmail.com, masami.hiramatsu.pt@hitachi.com, lizefan@huawei.com, linux-kernel@vger.kernel.org, pi3orama@163.com Subject: Re: [RFC PATCH v3 09/37] bpf tools: Open eBPF object file and do basic validation Message-ID: <20150522172230.GB6609@krava.redhat.com> References: <1431860222-61636-1-git-send-email-wangnan0@huawei.com> <1431860222-61636-10-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1431860222-61636-10-git-send-email-wangnan0@huawei.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 593 Lines: 30 On Sun, May 17, 2015 at 10:56:34AM +0000, Wang Nan wrote: SNIP > + > +void bpf_close_object(struct bpf_object *obj) > +{ > + if (!obj) > + return; > + > + bpf_obj_clear_elf(obj); > + > + if (obj->path) > + free(obj->path); you're safe calling free with NULL, so there's no need for the condition jirka > + free(obj); > } > -- > 1.8.3.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/