Staging: rtl8188eu: usb_halinit: Use !x instead of x == NULL.

Use !x instead of x == NULL.
Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/usb_halinit.c

@@ -2078,7 +2078,7 @@ void rtl8188eu_set_hal_ops(struct adapter *adapt)
 
 
 	adapt->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
-	if (adapt->HalData == NULL)
+	if (!adapt->HalData)
 		DBG_88E("cant not alloc memory for HAL DATA\n");
 
 	halfunc->hal_power_on = rtl8188eu_InitPowerOn;