Staging: rtl8188eu: os_dep: recv_linux.c: Remove explicit NULL comparison

Author: Shraddha Barke <shraddha.6596@gmail.com>

Remove explicit NULL comparison and write it in its simpler form.
Replacement done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Shraddha Barke 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/rtl8188eu/os_dep/recv_linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/rtl8188eu/os_dep/recv_linux.c b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
index 3ebb8b2..d4734baf 100644
--- a/drivers/staging/rtl8188eu/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
@@ -94,7 +94,7 @@ int rtw_recv_indicatepkt(struct adapter *padapter,
 	pfree_recv_queue = &(precvpriv->free_recv_queue);
 
 	skb = precv_frame->pkt;
-	if (skb == NULL) {
+	if (!skb) {
 		RT_TRACE(_module_recv_osdep_c_, _drv_err_,
 			 ("rtw_recv_indicatepkt():skb == NULL something wrong!!!!\n"));
 		goto _recv_indicatepkt_drop;