1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 91c2ab43cbcc..766061e0260a 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -75,7 +75,6 @@ static void qh_destroy (struct kref *kref)
         }
         if (qh->dummy)
                 ehci_qtd_free (ehci, qh->dummy);
-        usb_put_dev (qh->dev);
         dma_pool_free (ehci->qh_pool, qh, qh->qh_dma);
 }
 
@@ -221,13 +220,9 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
                 ehci->periodic [i] = EHCI_LIST_END;
 
         /* software shadow of hardware table */
-        ehci->pshadow = kmalloc (ehci->periodic_size * sizeof (void *), flags);
-        if (ehci->pshadow == NULL) {
-                goto fail;
-        }
-        memset (ehci->pshadow, 0, ehci->periodic_size * sizeof (void *));
-
-        return 0;
+        ehci->pshadow = kcalloc(ehci->periodic_size, sizeof(void *), flags);
+        if (ehci->pshadow != NULL)
+                return 0;
 
 fail:
         ehci_dbg (ehci, "couldn't init memory\n");