rtl8192du: Diagnose NULL pointer in rtw_txframes_sta_ac_pending()

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
lwfinger · Jun 27, 2014 · f17fe4e · f17fe4e
1 parent a8ada8f
commit f17fe4e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/core/rtw_xmit.c b/core/rtw_xmit.c
@@ -1009,6 +1009,10 @@ s32 rtw_txframes_sta_ac_pending(struct rtw_adapter *padapter, struct pkt_attrib
 	break;
 	}
 
+	if (!ptxservq) {
+		pr_err("ptxservq is NULL for priority %d\n", priority);
+		return 0;
+	}
 	return ptxservq->qcnt;
 }