diff --git a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
index 4e4e565d991c..c125ac28e7dc 100644
--- a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
@@ -50,7 +50,7 @@ int rtw_os_xmit_resource_alloc(struct adapter *padapter, struct xmit_buf *pxmitb
 {
 	if (alloc_sz > 0) {
 		pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
-		if (pxmitbuf->pallocated_buf == NULL)
+		if (!pxmitbuf->pallocated_buf)
 			return _FAIL;
 
 		pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);