From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49TXAIIspQJj5AyopJig0IaZiTUHCtRmfqtZeeXen+NOZfUw3R4hL/tSPQCivz7QSZZq5x2 ARC-Seal: i=1; a=rsa-sha256; t=1523022058; cv=none; d=google.com; s=arc-20160816; b=HjTNmOnCbc/sfba6boXxvWsifpP8963ZrljHI7bCtyYjBq2iHoYBTzXlw0CvaNW3cs aTiqReSw+/XKm0POlNYhpEnt+dTYvDo/xnuYl6JIIuW0EV6KeD9jNOb7qAIIz6dSIXjO sr3IvVOtfwLcPtFDf0HHZzpXhiX3GzgXc3SC2llz/G37Cjii9Gl6i6VaYQTkuQCF1cQY SjP+xMrjY0EkmxLW7Z5QVhofxSxWrZjTMoEwGwhKmquv7H4RHvCgBj8s2RP0CEvI0yf+ wkx4kBolIwS+JFr5Y9xfXtkkgpmbO+eAtC/Xa261bCNBpXARqwLoUKgDBIsrj4XhG5Yx sG0A== 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=7CccnfwMYlK66WN8GR9mdNLAP/fcrsK+Y3dcEXznVpM=; b=DNGNR1P9tzR0A2oNV6wbz3+2zVXBqmg/LarPA9bxUIc0HbBAeNOps25HE7c+0OIxaV Me7lo/wU6Wr347pP0+pb3dmq1Wfwkh1yQsy4fzldQIlesQesfRYpFG8rL6LvU+exUuPs yS0gUCWVeWHg0sWhMWtR7Hm/TyrpLln+fM6cQCnGHu/Pp3mqv5CwuYlqciaFI7e4A163 /IG7YRSPYJw9HY/v9JQw1hmoV1sKUkDURUJGIrmAwQ0blY6MFNp4XYdfpwuwEDFOUlOb v4gyXjmULCMDhZAtXHMKFrQTyjDsapUt0a0scExVM59ZhOKtqcl+cZknqPWmiNGw/SfC 0bYQ== 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 4.15 14/72] i2c: i2c-stm32f7: fix no check on returned setup Date: Fri, 6 Apr 2018 15:23:49 +0200 Message-Id: <20180406084350.661098580@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084349.367583460@linuxfoundation.org> References: <20180406084349.367583460@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?1597004378540178623?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-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 @@ -888,6 +888,11 @@ 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",