From nobody Fri Nov 29 23:33:04 2024 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A0B5B1D88D3; Fri, 13 Sep 2024 12:16:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726229811; cv=none; b=l/T/HE16DVD0qw1RZx6c73fAgASKsPlZOOtpitAVDIIC/HwNytVBDnTEArKoMfDU3PF4NjOPYDGifWWy88hNDt0icXhLGYAqNW7LhaqfF9u5K79bYzbrM3h+og0izfVMfvYMNsQH4cHcc+ra2ubDVC0/XWKNEBZrxBNCbRZqX5A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726229811; c=relaxed/simple; bh=O0hIV/6nB2rRddlD11VmsyTXzTX0q92fiXgW3yR8Qfo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=EQ3/rM5IApzvZ84v2ZVnSFO30NujQp5MJ7VkJLIvNHlWqOhzMKXEqlJOOUfCQ469IfEBWqHc2NGfKtjXzrRukqBgLiHgbrQ7tGgnwXXdoXybJJpxmYnzKOkln8PRTdrIOoC7FfdBIryF34h/UoR+W8g5zUxEMwoeywQQeeqzE18= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CbHOZ0kb; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CbHOZ0kb" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-7178df70f28so1618454b3a.2; Fri, 13 Sep 2024 05:16:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726229809; x=1726834609; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=cbCGTiN11FXVDbAkkViGrjdz04Y2hBtYS4VFXBmy4tQ=; b=CbHOZ0kbAkcxJIxpXVJjsFqukNKI3KuIGXH+F2yEgjfQI/pjY83hRqmj3wJ9p2v+1Y F2XAy9YaUvTLaurhaRG9BoIRi6TYrXjafPq4UA9rdNaWa+FYPvq/w+Vo7bG8dd6HH7IK we1YgnRCbNY58FuJ/5O4NPvvoLTqyyxuadcRuZRQ17b+D+mVQNSk1TZzr+JwmWWUHCeK h3+sLJqrOPKSqoeb+Cr21DGepnhKOeYH3Q2AOLHM6U/CbFuZ5jPT3BsR7tQhqyZ4KhhW SO0rGjBNkHlyo2wV5q9nlQOwH//OlYE8zN3q+iv7uZJQYsrn2yvXT+EXjrExNURlDyeK Ydww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726229809; x=1726834609; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=cbCGTiN11FXVDbAkkViGrjdz04Y2hBtYS4VFXBmy4tQ=; b=SHov920XHjseYxbm88XMIHdvuAElXmDSxH1pUIz2Govo0SCFsNr8ne/2FfaT9Gua2M IZgMd0ITbqRssYG0moiI4tk8yhnuPnjVQnFTf3HWJjb8PMKAfrjKZ5eysz3V3OnekYtW 0v+y/eLPVbbmIE201BaRtSpLW5r0XLK8MQ1bTRBDeeIU5LCEVL+83DYxf4UFNsu0Hki4 agK5nZqJY2TazIls34dtGdEfGY42KC4O6F6QAmY8s721hCYcZEpyPpEsbxz/d4Ij0ZA+ 7Ll0dzxJCA+OSrHzVxcNjKwEnIuC9i6u0bVT9KHwmQcSL0jPNGYLGVmcmJZEXkG7AumC OPPA== X-Forwarded-Encrypted: i=1; AJvYcCUohlnkzPwf+xywZCEpVvJERHdC6JegmN+x5X0kfxYRlaUTggaolN0aeCkzY5M9dXE9Chik0ettPDsT0/E=@vger.kernel.org X-Gm-Message-State: AOJu0YwVN/Fwqx6Zawki9UdAeDYGNEsvIlomJcAGkQQdrDpjM61atRip JIMFeaUd+jtMSaD3sMM+N41y2XopAT45vyvfNF14R/ODKeHhNx6r X-Google-Smtp-Source: AGHT+IGEntuO0AfIyn2/27Csp9RurnaARnS88M+fUAOsKJoNa02/MLOdAFJCt2QX9JfbWN6i+OsKzg== X-Received: by 2002:a05:6a00:2daa:b0:717:9154:b5b6 with SMTP id d2e1a72fcca58-7192606ce9emr9929623b3a.7.1726229808646; Fri, 13 Sep 2024 05:16:48 -0700 (PDT) Received: from localhost ([116.198.225.81]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7190909252esm5986331b3a.124.2024.09.13.05.16.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Sep 2024 05:16:48 -0700 (PDT) From: Tao Chen To: Andrii Nakryiko , Eduard Zingerman , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Tao Chen Subject: [PATCH bpf-next] libbpf: Fix expected_attach_type set when kernel not support Date: Fri, 13 Sep 2024 20:16:27 +0800 Message-Id: <20240913121627.153898-1-chen.dylane@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The commit "5902da6d8a52" set expected_attach_type again with filed of bpf_program after libpf_prepare_prog_load, which makes expected_attach_type =3D 0 no sense when kenrel not support the attach_type feature, so fix it. Fixes: 5902da6d8a52 ("libbpf: Add uprobe multi link support to bpf_program_= _attach_usdt") Signed-off-by: Tao Chen --- tools/lib/bpf/libbpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 219facd0e66e..9035edf763a3 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -7343,7 +7343,7 @@ static int libbpf_prepare_prog_load(struct bpf_progra= m *prog, =20 /* old kernels might not support specifying expected_attach_type */ if ((def & SEC_EXP_ATTACH_OPT) && !kernel_supports(prog->obj, FEAT_EXP_AT= TACH_TYPE)) - opts->expected_attach_type =3D 0; + prog->expected_attach_type =3D 0; =20 if (def & SEC_SLEEPABLE) opts->prog_flags |=3D BPF_F_SLEEPABLE; --=20 2.25.1