From patchwork Wed Feb 7 13:40:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fedor Pchelkin X-Patchwork-Id: 770986 Received: from mail.ispras.ru (mail.ispras.ru [83.149.199.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1177276C8F; Wed, 7 Feb 2024 13:40:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=83.149.199.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707313228; cv=none; b=b/S+z4mWVh1T82Ve2yUEUSVy3+R2mW5/DittvhDCu2lEaTmuW/O4ticXkPYox5ZmubOMU0f+td9ugnu6xwP9gBmMdSEGqEw8bTL56QaszsBKstEPdN2LD6DXHVAsuwnAQUHOLZ2GiLW6DVAFSZv4aEQUGHy9tSNr1dUE41SdpFg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707313228; c=relaxed/simple; bh=KXP8XQgu1vPb7UIBRCAFbCn2XbWBSi9zlPgqvl9ob/Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HKVmc58tWiKp6qm3ZPcBjrcG0veBRNalmGLjmRKFGX/iHDaYkTk7ydA5k+Xoo5qlXtKtaZxhpvk0vVRha2DCUG6LmOOk/iv8NTeMKN3Q8P7ACeSc28wuLOPDv55U1jo9Ipyj0ZeXr7ZDILV11tQE25/bMA/LcX+5LWx72H26MHU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru; spf=pass smtp.mailfrom=ispras.ru; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b=dnS/pEGg; arc=none smtp.client-ip=83.149.199.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ispras.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ispras.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ispras.ru header.i=@ispras.ru header.b="dnS/pEGg" Received: from fpc.intra.ispras.ru (unknown [10.10.165.6]) by mail.ispras.ru (Postfix) with ESMTPSA id 5CCFA40F1DEF; Wed, 7 Feb 2024 13:40:22 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru 5CCFA40F1DEF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ispras.ru; s=default; t=1707313222; bh=oJI2plXYN0CmS62atrDcw/0YXz35BqxpvKCMr0u8TjE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dnS/pEGghnu4Oy0O9SuHkrzqgDeZ7i4KRaZNBOgqTCUn9dO2dcYdlm82QgxdXGc8K o828vcRrxI7O4ZgCVoqyFpO+b4RyfvABP6gxgZxUbcp9tMKvpQTRST+NUK8bwLEQbZ XEW14U6grY/0yQn1oj7PgPTPtteWDh9r202FoABA= From: Fedor Pchelkin To: Manivannan Sadhasivam Cc: Fedor Pchelkin , Jeffrey Hugo , Kalle Valo , Carl Vanderlip , Sujeev Dias , Greg Kroah-Hartman , Siddartha Mohanadoss , mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Alexey Khoroshilov , lvc-project@linuxtesting.org, stable@vger.kernel.org Subject: [PATCH v2] bus: mhi: host: free buffer on error in mhi_alloc_bhie_table Date: Wed, 7 Feb 2024 16:40:05 +0300 Message-Id: <20240207134005.7515-1-pchelkin@ispras.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: <2024020709-familiar-slapping-a96a@gregkh> References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 img_info->mhi_buf should be freed on error path in mhi_alloc_bhie_table(). This error case is rare but still needs to be fixed. Found by Linux Verification Center (linuxtesting.org). Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations") Cc: stable@vger.kernel.org Signed-off-by: Fedor Pchelkin --- v2: add missing Cc: stable, as Greg Kroah-Hartman's bot reported drivers/bus/mhi/host/boot.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index edc0ec5a0933..738dcd11b66f 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -357,6 +357,7 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl, for (--i, --mhi_buf; i >= 0; i--, mhi_buf--) dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len, mhi_buf->buf, mhi_buf->dma_addr); + kfree(img_info->mhi_buf); error_alloc_mhi_buf: kfree(img_info);