[PATCH 4/7] staging: rtl8188eu: use safe iterator in wakeup_sta_to_xmit()
From: Dan Carpenter <hidden>
Date: 2021-06-07 18:18:12
Also in:
kernel-janitors
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
These two loops call list_del_init() on the list iterator so they need to
use the _safe() iterator to prevent a forever loop.
Fixes: 23017c8842d2 ("staging: rtl8188eu: Use list iterators and helpers")
Signed-off-by: Dan Carpenter <redacted>
---
drivers/staging/rtl8188eu/core/rtw_xmit.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
index f57e41f817ca..d5489811c5bc 100644
--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
+++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c@@ -1796,17 +1796,14 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) { u8 update_mask = 0, wmmps_ac = 0; struct sta_info *psta_bmc; - struct list_head *xmitframe_plist, *xmitframe_phead; - struct xmit_frame *pxmitframe = NULL; + struct list_head *xmitframe_phead; + struct xmit_frame *pxmitframe, *n; struct sta_priv *pstapriv = &padapter->stapriv; spin_lock_bh(&psta->sleep_q.lock); xmitframe_phead = get_list_head(&psta->sleep_q); - list_for_each(xmitframe_plist, xmitframe_phead) { - pxmitframe = list_entry(xmitframe_plist, struct xmit_frame, - list); - + list_for_each_entry_safe(pxmitframe, n, xmitframe_phead, list) { list_del_init(&pxmitframe->list); switch (pxmitframe->attrib.priority) {
@@ -1881,10 +1878,7 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) spin_lock_bh(&psta_bmc->sleep_q.lock); xmitframe_phead = get_list_head(&psta_bmc->sleep_q); - list_for_each(xmitframe_plist, xmitframe_phead) { - pxmitframe = list_entry(xmitframe_plist, - struct xmit_frame, list); - + list_for_each_entry_safe(pxmitframe, n, xmitframe_phead, list) { list_del_init(&pxmitframe->list); psta_bmc->sleepq_len--;
--
2.30.2