From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50708) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XFgOE-0001Lg-R6 for qemu-devel@nongnu.org; Fri, 08 Aug 2014 05:23:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XFgO9-0004uo-NK for qemu-devel@nongnu.org; Fri, 08 Aug 2014 05:23:10 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:11281) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XFgO9-0004tv-0N for qemu-devel@nongnu.org; Fri, 08 Aug 2014 05:23:05 -0400 From: zhanghailiang Date: Fri, 8 Aug 2014 17:21:11 +0800 Message-ID: <1407489672-12212-10-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1407489672-12212-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1407489672-12212-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v4 09/10] tcg: check return value of fopen() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, lkurusa@redhat.com, zhanghailiang , mst@redhat.com, jan.kiszka@siemens.com, riku.voipio@iki.fi, mjt@tls.msk.ru, peter.huangpeng@huawei.com, lcapitulino@redhat.com, stefanha@redhat.com, Li Liu , luonengjun@huawei.com, pbonzini@redhat.com, alex.bennee@linaro.org, rth@twiddle.net From: Li Liu Give a warning message if fopen() failed to open the log file. Signed-off-by: zhanghailiang Signed-off-by: Li Liu --- tcg/tcg.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tcg/tcg.c b/tcg/tcg.c index c068990..8f50d2a 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -2406,6 +2406,10 @@ static void dump_op_count(void) int i; FILE *f; f = fopen("/tmp/op.log", "w"); + if (f == NULL) { + fprintf(stderr, "Failed to open /tmp/op.log\n"); + return; + } for(i = INDEX_op_end; i < NB_OPS; i++) { fprintf(f, "%s %" PRId64 "\n", tcg_op_defs[i].name, tcg_table_op_count[i]); } -- 1.7.12.4