From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C56BA3D7D66; Wed, 20 May 2026 17:39:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298741; cv=none; b=JhnyPsEU3pnNG2QOGXpyJUyVC54B7ogyTKrJIuFrCGN+hgbESKOj7CPaI4vPMN4tNGGTO6vUjgAswcJL1qUPlSH0/SjgiqSid6J6ebrz7K5kXeh89FQi4wd/D4E6FAx9FcE4NhUM5zgENwryASKwzA5bGy4l2enN+4IsB31xf5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298741; c=relaxed/simple; bh=f1KFYi06XsidkpZUD9+EY4QEDRh27EnTgnWiX3k7N0E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=je+s4dSV5KHWJtRlK/PjwR84qa/aXGgAIKlJQPQLBq4BUHb6PbXk+oa47nE+GeyVTW6qUKhbqeJzr0449INi3VhDKWyzGm4TjmHjdbT5qdXfdtEo+qDnOggGrECc8Cq02oIAbVqvmrajUYnvE608OQgaqXp9t75yRI0sFlInF7E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=t3M0h1pp; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="t3M0h1pp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35C3E1F000E9; Wed, 20 May 2026 17:39:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779298740; bh=SmZQ+lVTXQNr7m1DWDjUJzL92ufMa5CDg4BVjT674bY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=t3M0h1ppIVYHzkwiDF6Pn0mcrsnj91cfeSkgb01vnci51SYUGJAbXwo5B7Omt0J/I 9/SD/HY/yk6ZtVnVRW6ZwOken/ujgCH/RPgmSyvroCXarhzhWp9IFJ+Q/yqZLEFcUi lHP/ox9KD6JURxrKtoCoyPMGcAzPn2J3/xfkWC9g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tommaso Merciai , Frank Li , Felix Gu , Alexandre Belloni , Sasha Levin Subject: [PATCH 6.18 524/957] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers() Date: Wed, 20 May 2026 18:16:47 +0200 Message-ID: <20260520162145.898022517@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162134.554764788@linuxfoundation.org> References: <20260520162134.554764788@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Gu [ Upstream commit d7665c3b4f575251e449e2656879392346ca612b ] 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 controller") Tested-by: Tommaso Merciai Reviewed-by: Tommaso Merciai Reviewed-by: Frank Li Signed-off-by: Felix Gu Link: https://patch.msgid.link/20260406-renesas-v3-1-4b724d7708f4@gmail.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/i3c/master/renesas-i3c.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c index 275f7b9242886..5b1bf5a0266cc 100644 --- a/drivers/i3c/master/renesas-i3c.c +++ b/drivers/i3c/master/renesas-i3c.c @@ -8,6 +8,7 @@ #include #include +#include #include #include #include @@ -800,13 +801,12 @@ static int renesas_i3c_priv_xfers(struct i3c_dev_desc *dev, struct i3c_priv_xfer struct i3c_master_controller *m = i3c_dev_get_master(dev); struct renesas_i3c *i3c = to_renesas_i3c(m); struct renesas_i3c_i2c_dev_data *data = i3c_dev_get_master_data(dev); - struct renesas_i3c_xfer *xfer; int i; /* Enable I3C bus. */ renesas_i3c_bus_enable(m, true); - xfer = renesas_i3c_alloc_xfer(i3c, 1); + struct renesas_i3c_xfer *xfer __free(kfree) = renesas_i3c_alloc_xfer(i3c, 1); if (!xfer) return -ENOMEM; -- 2.53.0