From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EE52C19F2A for ; Mon, 8 Aug 2022 01:52:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243250AbiHHBuf (ORCPT ); Sun, 7 Aug 2022 21:50:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243080AbiHHBti (ORCPT ); Sun, 7 Aug 2022 21:49:38 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0CF0E18355; Sun, 7 Aug 2022 18:37:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EAF45B80DCF; Mon, 8 Aug 2022 01:37:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 655CCC433C1; Mon, 8 Aug 2022 01:37:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659922643; bh=gQm1GOy4uLgvoCwWW/Up8QpHprwb0rVnwltmn9hY3LI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vGUiRLk0VSyE+C8iaoMgwCi3q/Xi6G2zUDQE/q0g+Sd+z5Gp3QbjApf7hbueZyrFe DhRlh3kg0nvng2iHXCRNWxcb767dp8omLYtgmP+r7KDXAlJ0uFFT+Bot6wGb9yBw6u w7neH9TEMb9Z2IC9/7V4d0Yq8wWku8WGcmfSGhqsmSbMjNEFxNHFR5vemifrhtOWKl mlvxxWO2l479FoJkhz6ECMMjWWlOC5fS/INnkNDzq6CRMDesmaPOuU4TpPOv0DsW4w RZvyD3YPR+2O9fXcqjCxl822/f1f+FD5/mfAs7kgl7Kye2IK/L/yJTYFDGHJUKefzw KkbEm0e7QudPQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lv Ruyi , Zeal Robot , Thierry Reding , Sasha Levin , thierry.reding@gmail.com, jonathanh@nvidia.com, arnd@arndb.de, linux-tegra@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 38/45] firmware: tegra: Fix error check return value of debugfs_create_file() Date: Sun, 7 Aug 2022 21:35:42 -0400 Message-Id: <20220808013551.315446-38-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220808013551.315446-1-sashal@kernel.org> References: <20220808013551.315446-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lv Ruyi [ Upstream commit afcdb8e55c91c6ff0700ab272fd0f74e899ab884 ] If an error occurs, debugfs_create_file() will return ERR_PTR(-ERROR), so use IS_ERR() to check it. Reported-by: Zeal Robot Signed-off-by: Lv Ruyi Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/firmware/tegra/bpmp-debugfs.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra/bpmp-debugfs.c index 3e9fa4b54358..1ed881a567d5 100644 --- a/drivers/firmware/tegra/bpmp-debugfs.c +++ b/drivers/firmware/tegra/bpmp-debugfs.c @@ -465,7 +465,7 @@ static int bpmp_populate_debugfs_inband(struct tegra_bpmp *bpmp, mode |= attrs & DEBUGFS_S_IWUSR ? 0200 : 0; dentry = debugfs_create_file(name, mode, parent, bpmp, &bpmp_debug_fops); - if (!dentry) { + if (IS_ERR(dentry)) { err = -ENOMEM; goto out; } @@ -716,7 +716,7 @@ static int bpmp_populate_dir(struct tegra_bpmp *bpmp, struct seqbuf *seqbuf, if (t & DEBUGFS_S_ISDIR) { dentry = debugfs_create_dir(name, parent); - if (!dentry) + if (IS_ERR(dentry)) return -ENOMEM; err = bpmp_populate_dir(bpmp, seqbuf, dentry, depth+1); if (err < 0) @@ -729,7 +729,7 @@ static int bpmp_populate_dir(struct tegra_bpmp *bpmp, struct seqbuf *seqbuf, dentry = debugfs_create_file(name, mode, parent, bpmp, &debugfs_fops); - if (!dentry) + if (IS_ERR(dentry)) return -ENOMEM; } } @@ -779,11 +779,11 @@ int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp) return 0; root = debugfs_create_dir("bpmp", NULL); - if (!root) + if (IS_ERR(root)) return -ENOMEM; bpmp->debugfs_mirror = debugfs_create_dir("debug", root); - if (!bpmp->debugfs_mirror) { + if (IS_ERR(bpmp->debugfs_mirror)) { err = -ENOMEM; goto out; } -- 2.35.1