From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49MZggagcDX4yHIO9U2WBVST3YrWRYVtEbDJSYTbkA2mdgODxgZHBfo6TrTYb3XMpDdi8Ro ARC-Seal: i=1; a=rsa-sha256; t=1523021864; cv=none; d=google.com; s=arc-20160816; b=gzms0yFCty6heCRvW8z8+QyQp3UH+xaKQak5+MWh6RcgaMCvBVsSUcLrWOfvCUQB61 UzoPpoMNRONd7cUw2SctskTvzrqXBOhz8hOEEqw1ZBF6LOfkFhxZjejjDlLbf3pOxaur 1lcl1iCcl9AQLTsXsPmW1/YNmHaA3Ydq2aEyK46G+ebdCxp71NK976Ib4tgYHCo76zu0 x+3PC7e10vpR3zs7m7Xw1ednYAvdp/feawQSL2snFwBLME75Z5yec6wl9Y+76LacTXqy z0g3FKc0tdDUaAd7CHKqQMi7nIzPZVmiGK1MuLvmnvd+w9cHbj10UC5UNwwuRLwVkHJ+ eEMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=joMytKz1UVEL9vfejkeFCSU+pWbR5OXcLCnax47YIX0=; b=RIQ0uSKPVMDpyAPzCan/FSNKTnw0NnbhZ+BZx/gCcp5czFVNRuflOurF/tjqSbkwYP 14p6RjBQAhrD+HhK6cN9x8CRlqM2itVOPy41oPkCVi9zl04YhXBYEyggVHBmQUzYjbNB 1L9qt4LkO13YSFWcKJ75T6K9Gzr5tLcQ7qwnfEiwcBGjP9oLpadeYXM6uKuFDOIb5cpr 6Go+Y3kTqGFtM+oX2gs79hmSmKfEk1fCDmfNSzOoE7Xu2URpnAeiiziPQc5KXwZmdt9Q yAl7ilkqi0DmyhuEz5NC0jTjy7PFphDyWXg+r9T5l+COYq148FwHGBDD8z5TbE5s+4mh I2ag== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pierre-Yves MORDRET , Alexandre TORGUE , Wolfram Sang , stable@kernel.org Subject: [PATCH 4.14 14/67] i2c: i2c-stm32f7: fix no check on returned setup Date: Fri, 6 Apr 2018 15:23:44 +0200 Message-Id: <20180406084343.175222182@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084341.225558262@linuxfoundation.org> References: <20180406084341.225558262@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597004174064141518?= X-GMAIL-MSGID: =?utf-8?q?1597004174064141518?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pierre-Yves MORDRET commit 771b7bf05339081019d22452ebcab6929372e13e upstream. Before assigning returned setup structure check if not null Fixes: 463a9215f3ca7600b5ff ("i2c: stm32f7: fix setup structure") Signed-off-by: Pierre-Yves MORDRET Acked-by: Alexandre TORGUE Signed-off-by: Wolfram Sang Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-stm32f7.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -887,6 +887,11 @@ static int stm32f7_i2c_probe(struct plat } setup = of_device_get_match_data(&pdev->dev); + if (!setup) { + dev_err(&pdev->dev, "Can't get device data\n"); + ret = -ENODEV; + goto clk_free; + } i2c_dev->setup = *setup; ret = device_property_read_u32(i2c_dev->dev, "i2c-scl-rising-time-ns",