linux-kernel - [PATCH v2 08/17] staging: wfx: fix access to le32 attribute 'ps_mode

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Message-Id: <20200512150414.267198-9-Jerome.Pouiller@silabs.com>
Date:   Tue, 12 May 2020 17:04:05 +0200
From:   Jerome Pouiller <Jerome.Pouiller@...abs.com>
To:     devel@...verdev.osuosl.org, linux-wireless@...r.kernel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
Subject: [PATCH v2 08/17] staging: wfx: fix access to le32 attribute 'ps_mode_error'

From: Jérôme Pouiller <jerome.pouiller@...abs.com>

The attribute ps_mode_error is little-endian. We have to take to the
endianness when we access it.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/staging/wfx/hif_rx.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/wfx/hif_rx.c b/drivers/staging/wfx/hif_rx.c
index 83c3fdbb10fa..87d5107a7757 100644
--- a/drivers/staging/wfx/hif_rx.c
+++ b/drivers/staging/wfx/hif_rx.c
@@ -158,6 +158,7 @@ static int hif_event_indication(struct wfx_dev *wdev,
 {
 	struct wfx_vif *wvif = wdev_to_wvif(wdev, hif->interface);
 	const struct hif_ind_event *body = buf;
+	int cause;
 
 	if (!wvif) {
 		dev_warn(wdev->dev, "received event for non-existent vif\n");
@@ -176,10 +177,10 @@ static int hif_event_indication(struct wfx_dev *wdev,
 		dev_dbg(wdev->dev, "ignore BSSREGAINED indication\n");
 		break;
 	case HIF_EVENT_IND_PS_MODE_ERROR:
+		cause = le32_to_cpu(body->event_data.ps_mode_error);
 		dev_warn(wdev->dev, "error while processing power save request: %d\n",
-			 body->event_data.ps_mode_error);
-		if (body->event_data.ps_mode_error ==
-		    HIF_PS_ERROR_AP_NOT_RESP_TO_POLL) {
+			 cause);
+		if (cause == HIF_PS_ERROR_AP_NOT_RESP_TO_POLL) {
 			wvif->bss_not_support_ps_poll = true;
 			schedule_work(&wvif->update_pm_work);
 		}
-- 
2.26.2