diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/util.h')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/util.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/util.h b/drivers/net/wireless/realtek/rtw89/util.h index e82e7df052d8..e669544cafd3 100644 --- a/drivers/net/wireless/realtek/rtw89/util.h +++ b/drivers/net/wireless/realtek/rtw89/util.h @@ -16,6 +16,24 @@ #define rtw89_for_each_rtwvif(rtwdev, rtwvif) \ list_for_each_entry(rtwvif, &(rtwdev)->rtwvifs_list, list) +/* Before adding rtwvif to list, we need to check if it already exist, beacase + * in some case such as SER L2 happen during WoWLAN flow, calling reconfig + * twice cause the list to be added twice. + */ +static inline bool rtw89_rtwvif_in_list(struct rtw89_dev *rtwdev, + struct rtw89_vif *new) +{ + struct rtw89_vif *rtwvif; + + lockdep_assert_held(&rtwdev->mutex); + + rtw89_for_each_rtwvif(rtwdev, rtwvif) + if (rtwvif == new) + return true; + + return false; +} + /* The result of negative dividend and positive divisor is undefined, but it * should be one case of round-down or round-up. So, make it round-down if the * result is round-up. |