[PATCH 04/12] mwifiex: use ktime_get_real for timestamping
From: Arnd Bergmann <arnd@arndb.de>
Date: 2015-09-30 11:29:43
Also in:
lkml, netdev
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
The mwifiex_11n_aggregate_pkt() function creates a ktime_t from a timeval returned by do_gettimeofday, which is slow and causes an overflow in 2038 on 32-bit architectures. This solves both problems by using the appropriate ktime_get_real() function. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Amitkumar Karwar <redacted> Cc: Nishant Sarmukadam <redacted> Cc: Kalle Valo <redacted> Cc: linux-wireless@vger.kernel.org --- drivers/net/wireless/mwifiex/11n_aggr.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index f7c717253a66..78853c51774d 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c@@ -173,7 +173,6 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, int pad = 0, aggr_num = 0, ret; struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; - struct timeval tv; int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN; skb_src = skb_peek(&pra_list->skb_head);
@@ -203,8 +202,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_AGGR_PKT; skb_aggr->priority = skb_src->priority; - do_gettimeofday(&tv); - skb_aggr->tstamp = timeval_to_ktime(tv); + skb_aggr->tstamp = ktime_get_real(); do { /* Check if AMSDU can accommodate this MSDU */
--
2.1.0.rc2