From patchwork Sat Jul 22 15:49:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Shurong X-Patchwork-Id: 1811301 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=foxmail.com header.i=@foxmail.com header.a=rsa-sha256 header.s=s201512 header.b=RiOjgJXY; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4R7W7w37fxz20FK for ; Sun, 23 Jul 2023 01:49:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229662AbjGVPt3 (ORCPT ); Sat, 22 Jul 2023 11:49:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229588AbjGVPt2 (ORCPT ); Sat, 22 Jul 2023 11:49:28 -0400 Received: from out203-205-221-192.mail.qq.com (out203-205-221-192.mail.qq.com [203.205.221.192]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD06C1A7; Sat, 22 Jul 2023 08:49:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1690040963; bh=PNBFOjg7o3EsVn1+13sq+jz+GGQ7ZM8w4tTYDhjxZYo=; h=From:To:Cc:Subject:Date; b=RiOjgJXYjXTk/4Cdv/9cqhlA6q0RhfJzt8H25VE1XjHkQWepCUjzAgcCS/Y2Hs5cL rM+Aaz7ugKtJmU+e7PlZ0TfW6xnREq7agfuLIWgMzr1BSc+DveEjUcim3DRGe5KPXu qIWpiMn/suJp/ghpGMdiXjsgJO8KONmUMULLpFb0= Received: from localhost.localdomain ([220.243.131.5]) by newxmesmtplogicsvrsza10-0.qq.com (NewEsmtp) with SMTP id C4F0A816; Sat, 22 Jul 2023 23:49:15 +0800 X-QQ-mid: xmsmtpt1690040955tzlo14pwo Message-ID: X-QQ-XMAILINFO: OZyNKfa8hWsKegdNMjRht8zBupmv5rz+fjyGdrH6G3cBWhYH6H6WXJlbSFGvHn 89H3NJtLTaVY+GVnsgQ7vtKLDppY4P5dU6hsbsogyavp3ZlciYpbgGP8p6Us7637iNX5ogmZGZuL Nf7M+wlxG4vkYhJGALLPzU4fAg1SpJG1Wwy/jkt1ivsbVOvv2yPjcVlGs3S4TvJqsfm7Gro3MINL yVajRMUanIsgylVsrh/A/6TG426FvD83WW46bXX7mw3d1BE8qCy8QmULuFwZKGDlfj0k8rlX2ejc jhBliTTBJzS3h+m1Mbm9/WnlnGWeRtwfqPypmWbWkkLop3XDPfBfp8387ZMV0M3gf0IAgCrvgD3/ UUIACTP49iibKci/o92/ujiOqF+dDVrp1RUzhN338p9/dr36lPh2LjJwt2aC6FRtP/MDkp9y9and 2tt87FYVL1FbzsiCFTIDzD/LKP4VQD1dGiEmLbjHLOjdu4/8bWRi/KnNyMiBVljG7t4fOrAO2tNL /NibwyXCM1rKtuVsR8KPTLoSYE+KaCJaTMhLAi5tsifbQiNbIYKGQvLzXvqWRqalEyMv4ws/M4k3 oVwPJwgVaO7eg3SxAb2Jv4u0OjjRpvaxJ4aQRHjGAHANa/+VQ2J69iNPNgKVrSLquLOLOUpsWnTF gBtDW0dkjG55rjZlsmfjkfi1WoWvXqc/ypLgpvRhpEgfp1PJsc5zizrFev/Y80oxRlmH5dXKZRjz 3gFfR8wXON4IQFZl0BwmM9PTbOsz3NbVJeNDTbfwi4hwZtP2hn1P3NvcyDPGYjNzKFtuMRcPFUQN 2sZDG9G7GFC5JFUfdvuMjy57rANAN6XFXcrM9NZc5N64kVwdNOuEUE6Xm239kt/eqK+pZFN/uCU6 LkZ2zn4mvm67mC2Vd2CTBQrwK1bef4xc1D4zA8gKQ6nR3MFtDjwfryC9e1xByTK02mf3i6ZOHYlf ZfYQCPJRs2kSBn3FvIc/tUNhlGMFICT+IlKFaVQ0Ne/nRW9vJMLoRz1cUjdyB/hTAt7dxL8FU7iL dwwN8/hw904FXCQHQqYO+n4moQsos= X-QQ-XMRINFO: OWPUhxQsoeAVDbp3OJHYyFg= From: Zhang Shurong To: thierry.reding@gmail.com Cc: ldewangan@nvidia.com, broonie@kernel.org, jonathanh@nvidia.com, p.zabel@pengutronix.de, linux-spi@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Zhang Shurong Subject: [PATCH v2] spi: tegra20-sflash: fix to check return value of platform_get_irq() in tegra_sflash_probe() Date: Sat, 22 Jul 2023 23:49:09 +0800 X-OQ-MSGID: <20230722154909.22413-1-zhang_shurong@foxmail.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, HELO_DYNAMIC_IPADDR,RCVD_IN_DNSWL_BLOCKED,RDNS_DYNAMIC,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org The platform_get_irq might be failed and return a negative result. So there should have an error handling code. Fixed this by adding an error handling code. Fixes: 8528547bcc33 ("spi: tegra: add spi driver for sflash controller") Signed-off-by: Zhang Shurong --- Changes in v2: - reworded the commit message. drivers/spi/spi-tegra20-sflash.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index 4286310628a2..0c5507473f97 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -455,7 +455,11 @@ static int tegra_sflash_probe(struct platform_device *pdev) goto exit_free_master; } - tsd->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto exit_free_master; + tsd->irq = ret; + ret = request_irq(tsd->irq, tegra_sflash_isr, 0, dev_name(&pdev->dev), tsd); if (ret < 0) {