From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58C461D47AE; Wed, 25 Sep 2024 12:00:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727265646; cv=none; b=EhJrU4uyIchn9HxOpjzO3ldO290DhQTW0H8/ndRecSOTavrgRJT2o9F3OvlY3Uk6bumEv4dPazQ4HqfPca7IlXpQkuwK+KuNHsL3kO+cN0IP+yd70X+cMzQoMak6vgM9tB/f8aNXmbWWYVH/DFYCMOGCuQz5xSYaJHrrAJjR8uM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727265646; c=relaxed/simple; bh=3XwSyHE1LtYwsC7u9Yy/+DIikL5Zx2KWUqPTHkcH4QM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FJX3C3ki+JAhRg5wldCTuirDzjfne+bTCiVBlmWzxz3hjrreZh5PuD1D7eCWM5sTFDnbGbjKyLmjFwGjz7DXWPkog1nRydI3qwzajHrQQI2qPX9V6Dgf4NGi9C4ybe9nu8kMSjb6yd/36mypGKhZXLR1dQx4UiUIE8sTg/4YTao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VdmBU+oI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VdmBU+oI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 974C5C4CEC3; Wed, 25 Sep 2024 12:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727265646; bh=3XwSyHE1LtYwsC7u9Yy/+DIikL5Zx2KWUqPTHkcH4QM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VdmBU+oIhIEWFqEqHtxdiYwWXt4dXtbXKueax3FW1kOiQH6GxGjIJelXKej+GSahO RUxv3ROdUCouP1zHRtZ2utPX0//R4Rb6MjX64BHzdA0p02Smql55h8XEs1pTmhHsO0 0grXuj8G30EjQr1NZHaB0x4zKN2ajv+R5ZuRScL5kfUf1Fmjr9RalrUANRjdbid1GV 0r6r7e2eDw+BSKstx9KUZyVlDsHOfQrurUV2WGzok7y69zqlcTGndb0ELmVrEImjZo e0H2xii9Yxtow36vUuP5SppzKQjN6iLdb4emA6blOk3OheHei+2f851AWGwaTmQ+oh G+qVwtV5G27OQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Joe Damato , Jakub Kicinski , Sasha Levin , davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, amritha.nambiar@intel.com, sridhar.samudrala@intel.com, sdf@fomichev.me, danielj@nvidia.com, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 6.10 057/197] netdev-genl: Set extack and fix error on napi-get Date: Wed, 25 Sep 2024 07:51:16 -0400 Message-ID: <20240925115823.1303019-57-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925115823.1303019-1-sashal@kernel.org> References: <20240925115823.1303019-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.10.11 Content-Transfer-Encoding: 8bit From: Joe Damato [ Upstream commit 4e3a024b437ec0aee82550cc66a0f4e1a7a88a67 ] In commit 27f91aaf49b3 ("netdev-genl: Add netlink framework functions for napi"), when an invalid NAPI ID is specified the return value -EINVAL is used and no extack is set. Change the return value to -ENOENT and set the extack. Before this commit: $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \ --do napi-get --json='{"id": 451}' Netlink error: Invalid argument nl_len = 36 (20) nl_flags = 0x100 nl_type = 2 error: -22 After this commit: $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \ --do napi-get --json='{"id": 451}' Netlink error: No such file or directory nl_len = 44 (28) nl_flags = 0x300 nl_type = 2 error: -2 extack: {'bad-attr': '.id'} Suggested-by: Jakub Kicinski Signed-off-by: Joe Damato Link: https://patch.msgid.link/20240831121707.17562-1-jdamato@fastly.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/core/netdev-genl.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index 05f9515d2c05c..a17d7eaeb0019 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -216,10 +216,12 @@ int netdev_nl_napi_get_doit(struct sk_buff *skb, struct genl_info *info) rtnl_lock(); napi = napi_by_id(napi_id); - if (napi) + if (napi) { err = netdev_nl_napi_fill_one(rsp, napi, info); - else - err = -EINVAL; + } else { + NL_SET_BAD_ATTR(info->extack, info->attrs[NETDEV_A_NAPI_ID]); + err = -ENOENT; + } rtnl_unlock(); -- 2.43.0