From nobody Sun Jun 14 11:27:29 2026 Received: from mail-pf1-f172.google.com (mail-pf1-f172.google.com [209.85.210.172]) (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 4B054246778 for ; Thu, 2 Apr 2026 13:05:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775135159; cv=none; b=RoBXGdGbQbblDKodGEzOaUOSg0tkoVa2s8J23WEQ8PMzESejxFLxg1XsQ9UMdQxTfCcJzHbFhIfMuhuhdvBA5PvMnxpyq9lMvxNPxMDlro6XEDk7kBEo25aS3PU9geytBxNAkQ3f40NPjY0GMVW15FbC7iEddVNW7Qp7w3vCdrM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775135159; c=relaxed/simple; bh=xNK9irekmwbrrEP4zDSAZljcTYUdJtgw3ZOC+RfK5bI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=AAI/GlhO2j+oXxrE/uCEsbbiEL6TQDAPbvFNbGe2DU69jS+5XJAkKSaCJ8IPGWqoulQ2lDa6bczypxSm5n4uvft2epD3GTkPTnH9Wx4H4xKqX6dhtVWhUz8SQH171F65ZJ5wiGANjTMBs6CpF7DNg5XSrPXKbuuDMXeObqrFzM8= 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=h1TqVCzX; arc=none smtp.client-ip=209.85.210.172 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="h1TqVCzX" Received: by mail-pf1-f172.google.com with SMTP id d2e1a72fcca58-8296dabef74so837531b3a.1 for ; Thu, 02 Apr 2026 06:05:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775135152; x=1775739952; darn=vger.kernel.org; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:from:to:cc:subject:date:message-id:reply-to; bh=SsM4iUnPFMOflRNoqocwP98hh3w8WDYgeJnYTqtpScQ=; b=h1TqVCzXQXbaLoJBgdoOSsHxdZzWes88hfnI5vTDoRWfQPfsOPo/rdo18JbxWSXKwV UTRjwldQVn/JSoaKz8onfI6A4YBTCRdUYtTwPsXgLG1xp4/OahJr5A6iI2TmNYZhpu3M 6wreGdxZvOqxs2mqghgzOv8czYV7xGC1/OU7YKjf9TiLNTLa5rkapFol6kgmt0MdoHyE Rqk434/fB9pCtHUKpuJtNa2GN5XhER15uqNAzQIngdD3LU2ZP5fG75G+V+UbRSc2IwzP 4ntuAf1TzkfLTpopv1VdxSXIHZypEZfWiwOcBvsB64niNT5YJCQpkefBYzJEZb9V7+/v D5kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775135152; x=1775739952; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=SsM4iUnPFMOflRNoqocwP98hh3w8WDYgeJnYTqtpScQ=; b=qC/iRGCJCDVzCBpSNJOTNR6OPorE1h7OyoRnVfcUQz21VkqYZfGWbKjeB5ZHxjwEXk hmDVirMRnErQJcf+Azu2Zao6JfAsQzqxVt5glC/f7huI/y6oOa3RxpXLvI1lKN17TFah JEBFxKKz2tssM3bWzA5UKMjd5zQMONDy3IPN7YDipBS+yBebyGZ/DOlQNKFCC34Aqji6 /1ciicgyZKBBIJ0/bJCMkq5OI2YkQ2nmZFz95b3A8jHCklcjqpONDVGwnDgvgtg5BUBQ 2B/FmfPwiWdRNRwz+am/OjkCRqradgkp9TByGnZOocN877fxr7jBXrNO+rSk57Nvs4+w mFKA== X-Forwarded-Encrypted: i=1; AJvYcCVfrtcqh/9PZ1y71GJU3wlAbhtavEG5e8fqspNmcN3EBBkFadQuDjR56HL3Mh9K20jEWZ+xvgLqz0VAOdg=@vger.kernel.org X-Gm-Message-State: AOJu0Yw9edrEjgvjGghLu5nDUdaVERAJZ22Hz2yNzJ9Rrzow8QLiEOiC fDFIa19d2xdAUJGhJzVzZGqLiOsf1JpmX19par77MSt53ky4VP0odzjN X-Gm-Gg: ATEYQzzT5M4Rp9kWxoPCn7jZtB/EaueumB1quPbqneuTFxK99h1URm53sIY3XER7MVO EvCO9By5eb34hbpgVIHoJQ/g6LGqXId36fMR/YjgIeDx8IwAAbOwDR8BxmiPHgeoq1STFbRr9J0 tWiF90V9n9EEfW57BD1HeBE4lb1PCX3RqRJrpqX9M6/LD/PVCaR+csLcSBb79jOwCVrc4wdnBk7 AmTdWz21daHTzhL/tYmAtv03yAWCqoP3XfKjb7k1w9HEcQLaTUVpZ70V915qN4b4/VB133lsyG2 TqPsnIhqTA+wmqnOzWIEvtSFzJ3q6ElaA7bknftu6OOa8J+b0wpSOvNC6uKyFbGBtsctdp6j9pi ji92w9XZ8FXLwpm8P2beMrWFwRXtPbnQemuEzvJTEq+NzR3PSwlOp30ip8wYS1aA7mTSN57xmwi ELTA05le3mCZ+FCGlAxmtTAs7aoAW2qNtqWQ7A X-Received: by 2002:a05:6a00:92a4:b0:82a:768c:9a2c with SMTP id d2e1a72fcca58-82cfb87e1eemr4112842b3a.22.1775135151717; Thu, 02 Apr 2026 06:05:51 -0700 (PDT) Received: from junjungu-PC.localdomain ([223.167.147.240]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9b60199sm2795363b3a.25.2026.04.02.06.05.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Apr 2026 06:05:51 -0700 (PDT) From: Felix Gu Date: Thu, 02 Apr 2026 21:05:48 +0800 Subject: [PATCH] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260402-renesas-v1-1-369a7d867502@gmail.com> X-B4-Tracking: v=1; b=H4sIAKtpzmkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDEwMj3aLUvNTixGLdZLPEtJTENMukZKNUJaDqgqLUtMwKsEnRsbW1AI1 3NOBZAAAA X-Change-ID: 20260402-renesas-c6afdaf9bc2e To: Wolfram Sang , Tommaso Merciai , Alexandre Belloni , Frank Li Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775135150; l=1377; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=xNK9irekmwbrrEP4zDSAZljcTYUdJtgw3ZOC+RfK5bI=; b=ki0mryobtCbttTZKex+eAgrImFaTwbISZlYWTSd9R/AfKlBdk/RllErRby3QuYQdwY4h7/3Zg PctzGevfDAUC+Kafdn9tx+8wYWAb3ON7IWpW7jkXGLpxD4uXdByYjnB X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= The xfer structure allocated by renesas_i3c_alloc_xfer() was never freed in the renesas_i3c_i3c_xfers() function. Use the __free(kfree) cleanup attribute to automatically free the memory when the variable goes out of scope. Fixes: d028219a9f14 ("i3c: master: Add basic driver for the Renesas I3C con= troller") Signed-off-by: Felix Gu --- drivers/i3c/master/renesas-i3c.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-= i3c.c index d9f5b30a4b2f..11f2d6f7c701 100644 --- a/drivers/i3c/master/renesas-i3c.c +++ b/drivers/i3c/master/renesas-i3c.c @@ -817,13 +817,12 @@ static int renesas_i3c_i3c_xfers(struct i3c_dev_desc = *dev, struct i3c_xfer *i3c_ struct i3c_master_controller *m =3D i3c_dev_get_master(dev); struct renesas_i3c *i3c =3D to_renesas_i3c(m); struct renesas_i3c_i2c_dev_data *data =3D i3c_dev_get_master_data(dev); - struct renesas_i3c_xfer *xfer; int i; =20 /* Enable I3C bus. */ renesas_i3c_bus_enable(m, true); =20 - xfer =3D renesas_i3c_alloc_xfer(i3c, 1); + struct renesas_i3c_xfer *xfer __free(kfree) =3D renesas_i3c_alloc_xfer(i3= c, 1); if (!xfer) return -ENOMEM; =20 --- base-commit: bd0f139e5fc11182777b81cefc3893ea508544ec change-id: 20260402-renesas-c6afdaf9bc2e Best regards, --=20 Felix Gu