Use time_after macro instead of using
jiffies directly to handle wraparound.
The modifications made compared to the previous version are as follows:
1. change the type of mwifiex_auto_tdls_peer::rssi_jiffies to
unsigned long.
Signed-off-by: Chen Yufan <chenyufan@xxxxxxxx>
---
drivers/net/wireless/marvell/mwifiex/main.h | 2 +-
drivers/net/wireless/marvell/mwifiex/tdls.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 9024bb944..7398bacc1 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -799,7 +799,7 @@ struct mwifiex_auto_tdls_peer {
u8 mac_addr[ETH_ALEN];
u8 tdls_status;
int rssi;
- long rssi_jiffies;
+ unsigned long rssi_jiffies;
u8 failure_count;
u8 do_discover;
u8 do_setup;
diff --git a/drivers/net/wireless/marvell/mwifiex/tdls.c b/drivers/net/wireless/marvell/mwifiex/tdls.c
index 6c60621b6..7823e6769 100644
--- a/drivers/net/wireless/marvell/mwifiex/tdls.c
+++ b/drivers/net/wireless/marvell/mwifiex/tdls.c
@@ -1439,8 +1439,8 @@ void mwifiex_check_auto_tdls(struct timer_list *t)
spin_lock_bh(&priv->auto_tdls_lock);
list_for_each_entry(tdls_peer, &priv->auto_tdls_list, list) {
- if ((jiffies - tdls_peer->rssi_jiffies) >
- (MWIFIEX_AUTO_TDLS_IDLE_TIME * HZ)) {
+ if (time_after(jiffies, tdls_peer->rssi_jiffies +
+ MWIFIEX_AUTO_TDLS_IDLE_TIME * HZ)) {
tdls_peer->rssi = 0;
tdls_peer->do_discover = true;
priv->check_tdls_tx = true;
--
2.39.0
