From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sebastian Andrzej Siewior , Felipe Balbi Subject: [PATCH 3.12 029/144] usb: musb: core: Call dma_controller_destroy() in error path only once. Date: Mon, 6 Jan 2014 14:36:30 -0800 Message-Id: <20140106223746.161040806@linuxfoundation.org> In-Reply-To: <20140106223745.326293132@linuxfoundation.org> References: <20140106223745.326293132@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior commit 8d1aad7485e653c2c5fd985b326096f680f7d918 upstream. In commit f3ce4d5 ("usb: musb: core: call dma_controller_destroy() in the err path") I erroneously assumed that the dma controller is not removed in the error patch. This was wrong because it happens later via musb_free(). That means the original commit can be reverted because it is wrong or we do this, so it is more obvious. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/musb_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1810,8 +1810,6 @@ static void musb_free(struct musb *musb) free_irq(musb->nIrq, musb); } cancel_work_sync(&musb->irq_work); - if (musb->dma_controller) - dma_controller_destroy(musb->dma_controller); musb_host_free(musb); } @@ -2036,6 +2034,9 @@ static int musb_remove(struct platform_d musb_exit_debugfs(musb); musb_shutdown(pdev); + if (musb->dma_controller) + dma_controller_destroy(musb->dma_controller); + musb_free(musb); device_init_wakeup(dev, 0); return 0;