linux-kernel - [PATCH 14/55] staging: wfx: improve error message on unexpected confirmation

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Message-ID: <20191216170302.29543-15-Jerome.Pouiller@silabs.com>
Date:   Mon, 16 Dec 2019 17:03:40 +0000
From:   Jérôme Pouiller <Jerome.Pouiller@...abs.com>
To:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...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 14/55] staging: wfx: improve error message on unexpected
 confirmation

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

When driver receives an unexpected answer from the device, it shows
"unsupported HIF ID". That message does not represent the real error.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/staging/wfx/hif_rx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/wfx/hif_rx.c b/drivers/staging/wfx/hif_rx.c
index 820de216be0c..1494ad5a507b 100644
--- a/drivers/staging/wfx/hif_rx.c
+++ b/drivers/staging/wfx/hif_rx.c
@@ -358,7 +358,12 @@ void wfx_handle_rx(struct wfx_dev *wdev, struct sk_buff *skb)
 			goto free;
 		}
 	}
-	dev_err(wdev->dev, "unsupported HIF ID %02x\n", hif_id);
+	if (hif_id & 0x80)
+		dev_err(wdev->dev, "unsupported HIF indication: ID %02x\n",
+			hif_id);
+	else
+		dev_err(wdev->dev, "unexpected HIF confirmation: ID %02x\n",
+			hif_id);
 free:
 	dev_kfree_skb(skb);
 }
-- 
2.20.1