usb: musb: core: Call dma_controller_destroy() in error path only once.

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 <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 0d0d118..8934b8d 100644 (file)
--- 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_device *pdev)
        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;