usb: gadget: net2280: fix sparse warnings

fix the following sparse warnings:

drivers/usb/gadget/net2280.c:2063:13: warning: Using plain integer as NULL pointer
drivers/usb/gadget/net2280.c:2321:68: warning: Using plain integer as NULL pointer
drivers/usb/gadget/net2280.c:2349:68: warning: Using plain integer as NULL pointer
drivers/usb/gadget/net2280.c:2371:68: warning: Using plain integer as NULL pointer

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 691cc658ddf9..e869188bc2b1 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2060,7 +2060,7 @@ static void handle_ep_small (struct net2280_ep *ep)
                 return;
 
         /* manual DMA queue advance after short OUT */
-        if (likely (ep->dma != 0)) {
+        if (likely (ep->dma)) {
                 if (t & (1 << SHORT_PACKET_TRANSFERRED_INTERRUPT)) {
                         u32     count;
                         int     stopped = ep->stopped;
@@ -2318,7 +2318,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
                         /* hw handles device and interface status */
                         if (u.r.bRequestType != (USB_DIR_IN|USB_RECIP_ENDPOINT))
                                 goto delegate;
-                        if ((e = get_ep_by_addr (dev, w_index)) == 0
+                        if ((e = get_ep_by_addr (dev, w_index)) == NULL
                                         || w_length > 2)
                                 goto do_stall;
 
@@ -2346,7 +2346,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
                         if (w_value != USB_ENDPOINT_HALT
                                         || w_length != 0)
                                 goto do_stall;
-                        if ((e = get_ep_by_addr (dev, w_index)) == 0)
+                        if ((e = get_ep_by_addr (dev, w_index)) == NULL)
                                 goto do_stall;
                         if (e->wedged) {
                                 VDEBUG(dev, "%s wedged, halt not cleared\n",
@@ -2368,7 +2368,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
                         if (w_value != USB_ENDPOINT_HALT
                                         || w_length != 0)
                                 goto do_stall;
-                        if ((e = get_ep_by_addr (dev, w_index)) == 0)
+                        if ((e = get_ep_by_addr (dev, w_index)) == NULL)
                                 goto do_stall;
                         if (e->ep.name == ep0name)
                                 goto do_stall;