From: Jérôme Pouiller <jerome.pouil...@silabs.com>

The struct hif_cnf_tx contains only little endian values. Thus, it is
necessary to fix byte ordering before to use them. Especially, sparse
detected wrong access to fields media_delay and tx_queue_delay.

Signed-off-by: Jérôme Pouiller <jerome.pouil...@silabs.com>
---
 drivers/staging/wfx/data_tx.c | 3 ++-
 drivers/staging/wfx/traces.h  | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/wfx/data_tx.c b/drivers/staging/wfx/data_tx.c
index f64149ab0484..014fa36c8f78 100644
--- a/drivers/staging/wfx/data_tx.c
+++ b/drivers/staging/wfx/data_tx.c
@@ -562,7 +562,8 @@ void wfx_tx_confirm_cb(struct wfx_vif *wvif, const struct 
hif_cnf_tx *arg)
 
        if (!arg->status) {
                tx_info->status.tx_time =
-               arg->media_delay - arg->tx_queue_delay;
+                       le32_to_cpu(arg->media_delay) -
+                       le32_to_cpu(arg->tx_queue_delay);
                if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
                        tx_info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
                else
diff --git a/drivers/staging/wfx/traces.h b/drivers/staging/wfx/traces.h
index c78c46b1c990..959a0d31bf4e 100644
--- a/drivers/staging/wfx/traces.h
+++ b/drivers/staging/wfx/traces.h
@@ -387,8 +387,8 @@ TRACE_EVENT(tx_stats,
                int i;
 
                __entry->pkt_id = tx_cnf->packet_id;
-               __entry->delay_media = tx_cnf->media_delay;
-               __entry->delay_queue = tx_cnf->tx_queue_delay;
+               __entry->delay_media = le32_to_cpu(tx_cnf->media_delay);
+               __entry->delay_queue = le32_to_cpu(tx_cnf->tx_queue_delay);
                __entry->delay_fw = delay;
                __entry->ack_failures = tx_cnf->ack_failures;
                if (!tx_cnf->status || __entry->ack_failures)
-- 
2.26.2

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to