linux-kernel - [PATCH v2 09/17] staging: wfx: fix access to le32 attribute 'event

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 12 May 2020 17:04:06 +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 09/17] staging: wfx: fix access to le32 attribute 'event_id'

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

The attribute event_id 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 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wfx/hif_rx.c b/drivers/staging/wfx/hif_rx.c
index 87d5107a7757..966315edbab8 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 type = le32_to_cpu(body->event_id);
 	int cause;
 
 	if (!wvif) {
@@ -165,7 +166,7 @@ static int hif_event_indication(struct wfx_dev *wdev,
 		return 0;
 	}
 
-	switch (body->event_id) {
+	switch (type) {
 	case HIF_EVENT_IND_RCPI_RSSI:
 		wfx_event_report_rssi(wvif, body->event_data.rcpi_rssi);
 		break;
@@ -187,7 +188,7 @@ static int hif_event_indication(struct wfx_dev *wdev,
 		break;
 	default:
 		dev_warn(wdev->dev, "unhandled event indication: %.2x\n",
-			 body->event_id);
+			 type);
 		break;
 	}
 	return 0;
-- 
2.26.2