net: Mac80211: Remove silly timespec dance
Converting time from one format to another seems to give coders a warm
and fuzzy feeling.
Use the proper interfaces.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John W. Linville <linville@tuxdriver.com>
[fix compile error]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index ba29ebc..aa06dca 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -473,8 +473,6 @@
struct sta_info *sta,
struct ieee80211_hdr *hdr)
{
- ktime_t skb_dprt;
- struct timespec dprt_time;
u32 msrmnt;
u16 tid;
u8 *qc;
@@ -506,9 +504,8 @@
tx_lat = &sta->tx_lat[tid];
- ktime_get_ts(&dprt_time); /* time stamp completion time */
- skb_dprt = ktime_set(dprt_time.tv_sec, dprt_time.tv_nsec);
- msrmnt = ktime_to_ms(ktime_sub(skb_dprt, skb_arv));
+ /* Calculate the latency */
+ msrmnt = ktime_to_ms(ktime_sub(ktime_get(), skb_arv));
if (tx_lat->max < msrmnt) /* update stats */
tx_lat->max = msrmnt;