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[86.26.103.58]) by smtp.googlemail.com with ESMTPSA id g17-20020a05600c4ed100b0038ca32d0f26sm2000647wmq.17.2022.04.12.02.06.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Apr 2022 02:06:15 -0700 (PDT) Message-ID: <4d3a73bd-4048-2cef-0682-0823e29a6514@linaro.org> Date: Tue, 12 Apr 2022 10:06:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v2] slimbus: qcom: Fix IRQ check in qcom_slim_probe Content-Language: en-US To: Miaoqian Lin , Andy Gross , Bjorn Andersson , Greg Kroah-Hartman , Sagar Dharia , linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org References: <239c3b32-6754-02ba-6bfd-7f05fa2adfed@linux.intel.com> <20220301061421.14366-1-linmq006@gmail.com> From: Srinivas Kandagatla In-Reply-To: <20220301061421.14366-1-linmq006@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 01/03/2022 06:14, Miaoqian Lin wrote: > platform_get_irq() returns non-zero IRQ number on success, > negative error number on failure. > And the doc of platform_get_irq() provides a usage example: > > int irq = platform_get_irq(pdev, 0); > if (irq < 0) > return irq; > > Fix the check of return value to catch errors correctly. > > Fixes: ad7fcbc308b0 ("slimbus: qcom: Add Qualcomm Slimbus controller driver") > Signed-off-by: Miaoqian Lin Applied thanks, --srini > --- > changes in v2: > - use more precise expression in commit message. > --- > drivers/slimbus/qcom-ctrl.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/slimbus/qcom-ctrl.c b/drivers/slimbus/qcom-ctrl.c > index f04b961b96cd..ec58091fc948 100644 > --- a/drivers/slimbus/qcom-ctrl.c > +++ b/drivers/slimbus/qcom-ctrl.c > @@ -510,9 +510,9 @@ static int qcom_slim_probe(struct platform_device *pdev) > } > > ctrl->irq = platform_get_irq(pdev, 0); > - if (!ctrl->irq) { > + if (ctrl->irq < 0) { > dev_err(&pdev->dev, "no slimbus IRQ\n"); > - return -ENODEV; > + return ctrl->irq; > } > > sctrl = &ctrl->ctrl;