[PATCH] USB: kzalloc() conversion for rest of drivers/usb

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 8 insertions, 17 deletions

diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index ec7eb3f4f867..766061e0260a 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -220,13 +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");
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 90d6900a37f4..5871944e6145 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -864,9 +864,8 @@ iso_sched_alloc (unsigned packets, gfp_t mem_flags)
         int                     size = sizeof *iso_sched;
 
         size += packets * sizeof (struct ehci_iso_packet);
-        iso_sched = kmalloc (size, mem_flags);
+        iso_sched = kzalloc(size, mem_flags);
         if (likely (iso_sched != NULL)) {
-                memset(iso_sched, 0, size);
                 INIT_LIST_HEAD (&iso_sched->td_list);
         }
         return iso_sched;
diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c
index 641268d7e6f3..2fe7fd19437b 100644
--- a/drivers/usb/host/hc_crisv10.c
+++ b/drivers/usb/host/hc_crisv10.c
@@ -2137,10 +2137,9 @@ static int etrax_usb_submit_bulk_urb(struct urb *urb)
         urb->status = -EINPROGRESS;
 
         /* Setup the hcpriv data. */
-        urb_priv = kmalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
+        urb_priv = kzalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
         assert(urb_priv != NULL);
         /* This sets rx_offset to 0. */
-        memset(urb_priv, 0, sizeof(etrax_urb_priv_t));
         urb_priv->urb_state = NOT_STARTED;
         urb->hcpriv = urb_priv;
 
@@ -2475,10 +2474,9 @@ static int etrax_usb_submit_ctrl_urb(struct urb *urb)
         urb->status = -EINPROGRESS;
 
         /* Setup the hcpriv data. */
-        urb_priv = kmalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
+        urb_priv = kzalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
         assert(urb_priv != NULL);
         /* This sets rx_offset to 0. */
-        memset(urb_priv, 0, sizeof(etrax_urb_priv_t));
         urb_priv->urb_state = NOT_STARTED;
         urb->hcpriv = urb_priv;
 
@@ -2767,9 +2765,8 @@ static void etrax_usb_add_to_intr_sb_list(struct urb *urb, int epid)
         maxlen = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
         interval = urb->interval;
 
-        urb_priv = kmalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
+        urb_priv = kzalloc(sizeof(etrax_urb_priv_t), KMALLOC_FLAG);
         assert(urb_priv != NULL);
-        memset(urb_priv, 0, sizeof(etrax_urb_priv_t));
         urb->hcpriv = urb_priv;
 
         first_ep = &TxIntrEPList[0];
@@ -2997,9 +2994,8 @@ static void etrax_usb_add_to_isoc_sb_list(struct urb *urb, int epid)
 
         prev_sb_desc = next_sb_desc = temp_sb_desc = NULL;
 
-        urb_priv = kmalloc(sizeof(etrax_urb_priv_t), GFP_ATOMIC);
+        urb_priv = kzalloc(sizeof(etrax_urb_priv_t), GFP_ATOMIC);
         assert(urb_priv != NULL);
-        memset(urb_priv, 0, sizeof(etrax_urb_priv_t));
 
         urb->hcpriv = urb_priv;
         urb_priv->epid = epid;