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staging: rtl8723au: fix static checker warning

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Fix the following static checker warning:

 drivers/staging/rtl8723au/core/rtw_sta_mgt.c:365 rtw_get_stainfo23a()
 error: potential NULL dereference 'psta'.

Fixes: e280d71("staging: rtl8723au: use list_for_each_entry*()")
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2016-03-01 23:22:23 +08:00 • committed by Greg Kroah-Hartman
parent c15cc49810
commit 400a30dd99
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/rtl8723au/core/rtw_sta_mgt.c
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@ -346,7 +346,7 @@ void rtw_free_all_stainfo23a(struct rtw_adapter *padapter)
struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr)
{
struct list_head *phead;
struct sta_info *psta = NULL;
struct sta_info *pos, *psta = NULL;
u32 index;
const u8 *addr;
@ -362,7 +362,9 @@ struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr)
spin_lock_bh(&pstapriv->sta_hash_lock);
phead = &pstapriv->sta_hash[index];
list_for_each_entry(psta, phead, hash_list) {
list_for_each_entry(pos, phead, hash_list) {
psta = pos;
/* if found the matched address */
if (ether_addr_equal(psta->hwaddr, addr))
break;