From patchwork Thu Oct 10 05:57:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Jun X-Patchwork-Id: 834352 Received: from cmccmta1.chinamobile.com (cmccmta4.chinamobile.com [111.22.67.137]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E12B718C03D; Thu, 10 Oct 2024 05:57:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=111.22.67.137 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728539868; cv=none; b=jX32PAbGPlca8iXnW97UozG+FGgrFoPDAmhT+V70e4UJewyFRqw9qw7RV9pYGIf7wKxHIBfOCT2h8h3Q9g7kUPC1QUeNAA+nGkeP/RoOGUDVTS7X7HFnWjr7nCmBQUMbVvkqIlqmBNCPBtC/9AhQXO1M7+VlPOMbFTKte/njEeY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728539868; c=relaxed/simple; bh=X9v9yBXSafI2LhG4V2RsAbWdn5xXD+4jgAZ0zNJjFPc=; h=From:To:Cc:Subject:Date:Message-Id; b=pOZAsyjSsweANj0Vz0kX01xYM1lCTIn1ldjbfOgmgSoDlPGyg6luAl7IdOAxxQBD4b5IHdih+y7IrsJI+ST8iSk5KujWN+qRo7FVpG6yJfSYsU2XlLNB2ZayPvgdrGg9XghQ90sGC4FxdbMDO9K+034OYsVzt0rDl53D1buUZRE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cmss.chinamobile.com; spf=pass smtp.mailfrom=cmss.chinamobile.com; arc=none smtp.client-ip=111.22.67.137 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cmss.chinamobile.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cmss.chinamobile.com X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from spf.mail.chinamobile.com (unknown[10.188.0.87]) by rmmx-syy-dmz-app04-12004 (RichMail) with SMTP id 2ee467076cccdec-c56ea; Thu, 10 Oct 2024 13:57:39 +0800 (CST) X-RM-TRANSID: 2ee467076cccdec-c56ea X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from ubuntu.localdomain (unknown[10.55.1.71]) by rmsmtp-syy-appsvr09-12009 (RichMail) with SMTP id 2ee967076cd247e-380c6; Thu, 10 Oct 2024 13:57:39 +0800 (CST) X-RM-TRANSID: 2ee967076cd247e-380c6 From: Zhu Jun To: andrii@kernel.org Cc: eddyz87@gmail.com, shuah@kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, zhujun2@cmss.chinamobile.com, mykolal@fb.com, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org Subject: [PATCH] selftests/bpf: Removed redundant fd after close in bpf_prog_load_log_buf Date: Wed, 9 Oct 2024 22:57:37 -0700 Message-Id: <20241010055737.4292-1-zhujun2@cmss.chinamobile.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Removed unnecessary `fd = -1` assignments after closing file descriptors. because it will be assigned by the function bpf_prog_load().This improves code readability and removes redundant operations. Signed-off-by: Zhu Jun --- tools/testing/selftests/bpf/prog_tests/log_buf.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/log_buf.c b/tools/testing/selftests/bpf/prog_tests/log_buf.c index 27676a04d0b6..169ce689b97c 100644 --- a/tools/testing/selftests/bpf/prog_tests/log_buf.c +++ b/tools/testing/selftests/bpf/prog_tests/log_buf.c @@ -169,7 +169,6 @@ static void bpf_prog_load_log_buf(void) ASSERT_GE(fd, 0, "good_fd1"); if (fd >= 0) close(fd); - fd = -1; /* log_level == 2 should always fill log_buf, even for good prog */ log_buf[0] = '\0'; @@ -180,7 +179,6 @@ static void bpf_prog_load_log_buf(void) ASSERT_GE(fd, 0, "good_fd2"); if (fd >= 0) close(fd); - fd = -1; /* log_level == 0 should fill log_buf for bad prog */ log_buf[0] = '\0'; @@ -191,7 +189,6 @@ static void bpf_prog_load_log_buf(void) ASSERT_LT(fd, 0, "bad_fd"); if (fd >= 0) close(fd); - fd = -1; free(log_buf); }