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authorArnd Bergmann <arnd@arndb.de>2015-09-30 13:26:34 +0200
committerDavid S. Miller <davem@davemloft.net>2015-10-05 03:16:43 -0700
commite253fb74d66428597bd272b2614e8564b882b14c (patch)
tree8b2379417dca92c3ba93a0c9e06278a8ac7d5a24 /drivers/net/wireless
parent40c9b0796d46523fffb93e46ed8c691456146743 (diff)
downloadop-kernel-dev-e253fb74d66428597bd272b2614e8564b882b14c.zip
op-kernel-dev-e253fb74d66428597bd272b2614e8564b882b14c.tar.gz
mwifiex: use ktime_get_real for timestamping
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 <akarwar@marvell.com> Cc: Nishant Sarmukadam <nishants@marvell.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index f7c7172..78853c5 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 */
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