[PATCH v1 10/14] usb: dwc2: host: free status_buf on hcd de-init

[Gregory Herrero]

status_buf needs to be freed in dwc2_hcd_remove().

Signed-off-by: Gregory Herrero <gregory.herr...@intel.com>
---
 drivers/usb/dwc2/hcd.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index af4e4a2..41c00e9 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -3141,7 +3141,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
         */
        retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
        if (retval < 0)
-               goto error3;
+               goto error4;
 
        device_wakeup_enable(hcd->self.controller);
 
@@ -3151,6 +3151,14 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
 
        return 0;
 
+error4:
+       if (hsotg->core_params->dma_enable > 0)
+               dma_free_coherent(hsotg->dev,
+                                 DWC2_HCD_STATUS_BUF_SIZE,
+                                 hsotg->status_buf,
+                                 hsotg->status_buf_dma);
+       else
+               kfree(hsotg->status_buf);
 error3:
        dwc2_hcd_release(hsotg);
 error2:
@@ -3191,6 +3199,15 @@ void dwc2_hcd_remove(struct dwc2_hsotg *hsotg)
 
        usb_remove_hcd(hcd);
        hsotg->priv = NULL;
+
+       if (hsotg->core_params->dma_enable > 0)
+               dma_free_coherent(hsotg->dev,
+                                 DWC2_HCD_STATUS_BUF_SIZE,
+                                 hsotg->status_buf,
+                                 hsotg->status_buf_dma);
+       else
+               kfree(hsotg->status_buf);
+
        dwc2_hcd_release(hsotg);
        usb_put_hcd(hcd);
 
-- 
2.6.1

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