From patchwork Fri Jul 12 10:14:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13731574 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 6AA0013F439 for ; Fri, 12 Jul 2024 10:14:23 +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=1720779263; cv=none; b=AAbt2oCJXrxGTOjs/05YhN5gReAHWNJ0qMhEIIwEknpFV7A4eYi9iwWVTh3QDhahf+FAtfE2r2KY2A/P4BNJ/X0+g8Sr/YbxwSEUEKUgQvq2U5EK44tHQ1Aormm7Uo1AMbj4C1bf3PbgtJldli2t7SbYUCieP5hUByCrcWp5+zc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720779263; c=relaxed/simple; bh=stA5m4VzbUdBWR7B4uSh8hIvbQS5Fx3sF6RzkpRFumM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ucWQn3WZMaIK0i5ygSlwwCXFTfmC7EHxCiQdYcFDWcA1icJo6J9Qxgk4uC4l0uIUcUNK/LNQJwycFhJ+KNJitlcmMDyPQWCUJPI5RCC9Od2viO1W5OLrA2aw8ydSrWML85pP9uzYA0KIueWHVJl+iJ+5g/H4fuIYrGBfXlt821g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SLqFpLWb; 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="SLqFpLWb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21CE5C32782; Fri, 12 Jul 2024 10:14:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720779263; bh=stA5m4VzbUdBWR7B4uSh8hIvbQS5Fx3sF6RzkpRFumM=; h=From:To:Cc:Subject:Date:From; b=SLqFpLWbzfX4sOutbsIhTVgJ2Z4hgIJu3hG04zkibZwReN44mcEv8nQGzJx5YqQlG BDRKzwQbA6Xzl2MrNJOUuCOlPrrRQkxZ2GPJhteGPtIeEdAs/QBK9l5zb+HGsqMZX2 /X6ah/kxjRgvlLzyZs7XWiFoVmYw254c43AC65EedX1Sd4ZcMHqw6vGcbl2KUpvOLl IqSo4SNqP3MCJfV10o8bI2axs04XW8cdYnSAL+nHmQ3UipDber6NDSwaYBmepLpeXI IpZyOagGyLeRKvaekPBdBQXwMClyEaigHlUs9or9vFb9ICDm6KloshJ/Q8bVlYce/+ Pu5aKivN+vBvg== From: Geliang Tang To: Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: Geliang Tang , bpf@vger.kernel.org Subject: [PATCH bpf-next 0/2] handle errno ENOTSUPP Date: Fri, 12 Jul 2024 18:14:11 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: bpf@iogearbox.net From: Geliang Tang This patchset contains two fixes for handling errno ENOTSUPP. Patch 1 fixes the return value of fixup_call_args() to make sure ENOTSUPP is returned to user space correctly. Patch 2 handles ENOTSUPP in libbpf_strerror_r() in libbpf. Geliang Tang (2): bpf: verifier: Fix return value of fixup_call_args libbpf: handle ENOTSUPP in libbpf_strerror_r kernel/bpf/verifier.c | 6 +++--- tools/lib/bpf/str_error.c | 11 +++++++---- tools/lib/bpf/str_error.h | 4 ++++ 3 files changed, 14 insertions(+), 7 deletions(-)