From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 616501D435F; Mon, 13 Apr 2026 05:08:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776056931; cv=none; b=SvJctBjHQGrlzjCBmIO9Uiad9DEbthvpf40XnFDQIVhVMMzIXEmQdJNKHhBTQca1X5RwspSmGUnP5C/NXRbb0ROy0BkpoPUijfNUr/2gLcdMHKZxatdtn6++XlAT0pqcl8juIJwq/rEw5g+aqWdB2HnmRRJqgOgPhlzGXjSs+Yk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776056931; c=relaxed/simple; bh=lSAH4E3Wrx3VZRAyZ5aMCNrPuokPlm2Afab4Li4mbDE=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=RmCJONC8O+nquplvXstqjbe8+G6apP3oej1MAe7CpQEYNwG8Tcu+oaHXcMPjMwUnu4qHRtPZk90Kb+BUlQfzxEF8+JdThtGJMh0xgfswCixfOG/ZlezTQnPXVdSi94/WqyUsMitALjCYuHK8+DyDScIXrB3Fj84SLNZImGxUYMA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=eayM1VGv; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="eayM1VGv" Received: by linux.microsoft.com (Postfix, from userid 1173) id CF2B720B7128; Sun, 12 Apr 2026 22:08:44 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com CF2B720B7128 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1776056924; bh=lYKyXtBPEnGqu4gz96UvNY7M9bXXMspnKyP7NBcRJrQ=; h=From:To:Subject:Date:From; b=eayM1VGvkRfO0k6fC30nfTBvRr9nrLJq76ML86UAEW9zixynl4yuOw95zOrxyxAZI rr3wET0h8n68JgvaDAUc+ScWXFF1exF3sRejQ7BmP9CrPD3hG749ZSUp2zseuAqfMM PzAPp92CkKGV0/Tl7UMTh7nw7t+fB3dKpzNLuimY= From: Erni Sri Satya Vennela To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ernis@linux.microsoft.com, ssengar@linux.microsoft.com, dipayanroy@linux.microsoft.com, gargaditya@linux.microsoft.com, shirazsaleem@microsoft.com, kees@kernel.org, kotaranov@microsoft.com, leon@kernel.org, shacharr@microsoft.com, stephen@networkplumber.org, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net v2 0/4] net: mana: Fix probe/remove error path bugs Date: Sun, 12 Apr 2026 22:08:36 -0700 Message-ID: <20260413050843.605789-1-ernis@linux.microsoft.com> X-Mailer: git-send-email 2.43.7 Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix four pre-existing bugs in mana_probe()/mana_remove() error handling that can cause warnings on uninitialized work structs, masked errors, and resource leaks when early probe steps fail. Patches 1-2 move work struct initialization (link_change_work and gf_stats_work) to before any error path that could trigger mana_remove(), preventing WARN_ON in __flush_work() or debug object warnings when sync cancellation runs on uninitialized work structs. Patch 3 prevents add_adev() from overwriting a port probe error, which could leave the driver in a broken state with NULL ports while reporting success. Patch 4 changes 'goto out' to 'break' in mana_remove()'s port loop so that mana_destroy_eq() is always reached, preventing EQ leaks when a NULL port is encountered. --- Changes in v2: * Apply the patch in net instead of net-next. --- Erni Sri Satya Vennela (4): net: mana: Init link_change_work before potential error paths in probe net: mana: Init gf_stats_work before potential error paths in probe net: mana: Don't overwrite port probe error with add_adev result net: mana: Fix EQ leak in mana_remove on NULL port drivers/net/ethernet/microsoft/mana/mana_en.c | 28 +++++++++---------- 1 file changed, 14 insertions(+), 14 deletions(-) -- 2.34.1