From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AE705381 for ; Mon, 19 Jun 2023 10:41:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3D5DC433C0; Mon, 19 Jun 2023 10:41:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687171281; bh=pXuGXvLx6xbjWM3oEF84YMrCgQeTs9pbJ5iGIc8NyfQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SxeLyyZJibz2mgYaASzkb5jN98HclaVy/yaJAX5Zq0PF3oIE05HhROljPqfteR94u mt/e1FvUixS8AnUMy3gWvdRXaTNzspqIdt3dN272mb2fa4K/LZLGT0+WW2w4WX42eP 4pFYB46TV/uJwqmo23FZDDBLeptsZM4cdpDyKVeU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sasha Levin Subject: [PATCH 4.19 05/49] regulator: Fix error checking for debugfs_create_dir Date: Mon, 19 Jun 2023 12:29:43 +0200 Message-ID: <20230619102130.138026096@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102129.856988902@linuxfoundation.org> References: <20230619102129.856988902@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Osama Muhammad [ Upstream commit 2bf1c45be3b8f3a3f898d0756c1282f09719debd ] This patch fixes the error checking in core.c in debugfs_create_dir. The correct way to check if an error occurred is 'IS_ERR' inline function. Signed-off-by: Osama Muhammad --- drivers/regulator/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 11656b3836748..14f9977f1ec08 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4181,7 +4181,7 @@ static void rdev_init_debugfs(struct regulator_dev *rdev) } rdev->debugfs = debugfs_create_dir(rname, debugfs_root); - if (!rdev->debugfs) { + if (IS_ERR(rdev->debugfs)) { rdev_warn(rdev, "Failed to create debugfs directory\n"); return; } @@ -4843,7 +4843,7 @@ static int __init regulator_init(void) ret = class_register(®ulator_class); debugfs_root = debugfs_create_dir("regulator", NULL); - if (!debugfs_root) + if (IS_ERR(debugfs_root)) pr_warn("regulator: Failed to create debugfs directory\n"); debugfs_create_file("supply_map", 0444, debugfs_root, NULL, -- 2.39.2