From patchwork Sat Sep 7 11:55:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 11136469 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EFB24112B for ; Sat, 7 Sep 2019 11:55:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D00F321871 for ; Sat, 7 Sep 2019 11:55:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="ONs/Eqc8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392189AbfIGLz2 (ORCPT ); Sat, 7 Sep 2019 07:55:28 -0400 Received: from mout.web.de ([212.227.17.12]:45147 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726027AbfIGLz2 (ORCPT ); Sat, 7 Sep 2019 07:55:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1567857323; bh=uCBhPrOjyBKadbfdXhZIgALigPb6thWyt6L0OnaNf6o=; h=X-UI-Sender-Class:To:Cc:From:Subject:Date; b=ONs/Eqc8vJ4EH6vTyiZs9cFSQ1VcaFYZZuDAaPSrWbhgGlS7IYdJ1ledwp7DEDIVr WE186PEd+BrHeIS3IQKd1W+YTN3jjNX0Ul//YNX5i1HsnMjFbZVWgtBKsVcKaLjEQ4 AaeV71ljxg8WU+IAahgk5M6FTpnp6cP/MFClSAMo= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([2.243.16.142]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MF3nL-1hukfR3sIV-00GJIc; Sat, 07 Sep 2019 13:55:23 +0200 To: linux-spi@vger.kernel.org, Mark Brown Cc: LKML , kernel-janitors@vger.kernel.org From: Markus Elfring Subject: [PATCH] spi-gpio: Use PTR_ERR_OR_ZERO() in spi_gpio_request() Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: Date: Sat, 7 Sep 2019 13:55:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.0 MIME-Version: 1.0 Content-Language: en-US X-Provags-ID: V03:K1:Vol/cHTZVAcZ9iV8Ta9uaMh49++iaihMT5bs/zlSgl0Mbd2sX+8 whcF7OIJVwr6EkJo81cwT2Z4cQDxecDk9iIgm9kE76m7Gqig2WYRLDoCqRNO5Da4OfXe9rD nZn8vVhuO9Tfgr6xJbGRTZCpyl9Vo0MUSlOJNAFxx08m1E+aM5yz4m9IwvcSO5ZMGoZSwcz AHFc+th+SzRnvkEOVW/PQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:ae8NsPK3tBk=:kca7CW0oDqiIH5pbPmy6bn AZd0NQ+5Un6rkZrcxnSATJhN9gRSdOXL+d7xL4m/VqIP856xxzpmaFtM0eFV1T1NywX2SBNU8 vQ4kTCrqokyrNn9dRxId8d1qAM2WsgclxPOJhfTpcFPBmzbdUG+R5yCRfHApfpiPV9Z1AxMIy ps2KILPUPWgBVPgISSfh20AW9szaoxAbpsmWDmzujEGDczLgvvCa1pbFcCyUVbRA23I09KMbn A4MkbrerR5spiIwSpPXGA0DfN13ZiDQmJ755Fswnj258B4CMPv/M6x+9ctiTeZ8mbOMYFqJuC zHI3IkPeyWbniV6Nvp8LdB5bfjGeoFx763OiFN7r6lNqagoi3iMXfKrkOmZ2Ze/2j1uMyiOAe e088q2hOy4RjpMCs4JW3I6Q+k4/gDzY/keNnVvQOFkSBabSbumPqR2R6x3IbyEivzdEschH2v O6OYYqyzONfG2lzT3NM1WnG7ti33a71GQcV4gNEEOiLj570TKGgddCDk6wAVdhGmjrolfgT/Y qRmKfzx41+RO0iNmxtl4+ncJsLKjF0JQln3vhSEQfagt0qlN71V5/ySUFzDw3u4IRduoAaW3V /StHYW+Ivsh/jEzKHZgT+6/ZF1+ryfj35cPylegXRk5nO7HqaXcT+NAICNV9dGL/1HEJqMUYt 9ZEy47PwjLN/+y/lYGTKcGpA5IJAzBK+ytG/i7BvxIPvxLidz2Ixj1bGGTmGPE9ADo9QrDnu7 9k8U3m1MK3LMaajVS1TQsyVGYFu8zXDPvsJ9SseAaWPCH6aCbvFe4e3JVggQOZdhZ95yNZgdF V0rsK2SFe1f1gOZ3KGwMQc3ZbQDIV4gdtLZZtp+tjwtBG6HBKxchn9r9ulNuYU/q/oMlWDnNe oMLNltc3uwW6UlIPhPf6ZhcJHTkz9WTHdrxymW/Bt6wigRigo6IjUdCgyi8pusuX6jmubRFxW /g2lFcga5dfYIGoZAwqQGt9EnGsBwn2gDjihC13UwNInR19GRqVr4hoh9qyLDRgzCizwh3TWZ cdj0KV0tO9lhH8Jq4TUjUkzhyXOeZS0uk4FybI0wgF9SXDbPzWjZ/k4BBsct+T33skKas8Oix x9NBXePUt7XiLM0isjfqfJPw88Cr4ZaQunsc3TW8O2JB+n+WxaeD1E+IdZQ0+mX2i/RhUYjJK Y0F4s2GX/H1PQ3l9RvzfsHcQR3QXH7wd69TM/JfsWSpH8BN19tKmXXid6A31JDghVyj6cNv5Z qCKjBIWy+u+5tJHt0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Markus Elfring Date: Sat, 7 Sep 2019 13:51:16 +0200 Simplify this function implementation by using a known function. Generated by: scripts/coccinelle/api/ptr_ret.cocci Signed-off-by: Markus Elfring Reviewed-by: Geert Uytterhoeven --- drivers/spi/spi-gpio.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) -- 2.23.0 diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index 9eb82150666e..1d3e23ec20a6 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -290,10 +290,7 @@ static int spi_gpio_request(struct device *dev, struct spi_gpio *spi_gpio) return PTR_ERR(spi_gpio->miso); spi_gpio->sck = devm_gpiod_get(dev, "sck", GPIOD_OUT_LOW); - if (IS_ERR(spi_gpio->sck)) - return PTR_ERR(spi_gpio->sck); - - return 0; + return PTR_ERR_OR_ZERO(spi_gpio->sck); } #ifdef CONFIG_OF