From patchwork Wed Jul 31 19:12:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 816191 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 E45C116C684; Wed, 31 Jul 2024 19:13:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453228; cv=none; b=X1FRUD8BrzBoq5KbOmVZ5e0g89klLMFn3Jf1V5zN2YBychYRNkgD2e0bxPkWmyxG4N+8N9iXD1zJJUvJ0v3swdGaNzjj1DEpChgTouwLRbanxi0nAzuqTmL1qdD4j7mrBm89swLr5YcL4q3gOyr2YmN5Zi7UYEbpuMS9omLoiwE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453228; c=relaxed/simple; bh=LBX/fvql08mYzJWK5iN8UsFKYmPl02R2DmMAXvpAiH4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=K9EMTLELeWvHIeqvk6Ni0Fn+SnPN9NH1UBorSUqW7YPR37UdC2Qq4w8+OQRj9uEXbO+MNHIVM9idG9N32yA252DgENS77W58XnGzoVcxzV2U5sV2jtKc3WBa4u8sxY3y5RBPKChtG80Nx9ytfNGN+N6TyTCagqLjw5UKaykvgO0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jIVKJYxU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jIVKJYxU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47775C4AF0F; Wed, 31 Jul 2024 19:13:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722453227; bh=LBX/fvql08mYzJWK5iN8UsFKYmPl02R2DmMAXvpAiH4=; h=From:To:Cc:Subject:Date:From; b=jIVKJYxUOcAtiz/3UhTP3hy3ewuM0SCCgK8Kk9bWn4ehOu8udQP1UYODm/2QZRlJO VhovZchsmEw+Md2gFYbt4O0FZIePf7RrsET+Z7fOCXaCyb5cUrfKrIFIrWF30oNppF 3arEY5YkKyuqOQKb7c2V8lSAPan/qtLKvz7pu4A8PZnklpJxl6y0Ipv4EoWheM7ZdH sw0qX6ZuNiiommjNH5IHIOFMcrLS2Cc5Y3jL+lvTvrSHO9VNIeo23uNPZ8nzq3kRPX uUL+aJ4tnt0gxNzPq4Q0B7/pYm+DGjo6FqNdNLyvDMpmA7J/UBNAjyssrXngheeQZy WFxK62yiqzoVw== From: "Rob Herring (Arm)" To: "James E.J. Bottomley" , "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ufs: Use of_property_present() Date: Wed, 31 Jul 2024 13:12:46 -0600 Message-ID: <20240731191312.1710417-8-robh@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use of_property_present() to test for property presence rather than of_find_property(). This is part of a larger effort to remove callers of of_find_property() and similar functions. of_find_property() leaks the DT struct property and data pointers which is a problem for dynamically allocated nodes which may be freed. Signed-off-by: Rob Herring (Arm) --- drivers/ufs/host/ufshcd-pltfrm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c index a3e69ecafd27..2e1eb898a27c 100644 --- a/drivers/ufs/host/ufshcd-pltfrm.c +++ b/drivers/ufs/host/ufshcd-pltfrm.c @@ -272,10 +272,10 @@ static int ufshcd_parse_operating_points(struct ufs_hba *hba) const char **clk_names; int cnt, i, ret; - if (!of_find_property(np, "operating-points-v2", NULL)) + if (!of_property_present(np, "operating-points-v2")) return 0; - if (of_find_property(np, "freq-table-hz", NULL)) { + if (of_property_present(np, "freq-table-hz")) { dev_err(dev, "%s: operating-points and freq-table-hz are incompatible\n", __func__); return -EINVAL;