From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752046AbaGGGts (ORCPT ); Mon, 7 Jul 2014 02:49:48 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:49133 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751747AbaGGGsu (ORCPT ); Mon, 7 Jul 2014 02:48:50 -0400 From: Kishon Vijay Abraham I To: CC: , Subject: [PATCH 5/8] phy: core: Fix error path in phy_create() Date: Mon, 7 Jul 2014 12:18:22 +0530 Message-ID: <1404715705-5041-6-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1404715705-5041-1-git-send-email-kishon@ti.com> References: <1404715705-5041-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Roger Quadros Prevent resources from being freed twice in case device_add() call fails within phy_create(). Also use ida_simple_remove() instead of ida_remove() as we had used ida_simple_get() to allocate the ida. Signed-off-by: Roger Quadros Signed-off-by: Kishon Vijay Abraham I --- drivers/phy/phy-core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index c64a2f3..49c4465 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -614,8 +614,9 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, return phy; put_dev: - put_device(&phy->dev); - ida_remove(&phy_ida, phy->id); + put_device(&phy->dev); /* calls phy_release() which frees resources */ + return ERR_PTR(ret); + free_phy: kfree(phy); return ERR_PTR(ret); @@ -799,7 +800,7 @@ static void phy_release(struct device *dev) phy = to_phy(dev); dev_vdbg(dev, "releasing '%s'\n", dev_name(dev)); - ida_remove(&phy_ida, phy->id); + ida_simple_remove(&phy_ida, phy->id); kfree(phy); } -- 1.7.9.5