linux-kernel - [PATCH 04/11] staging: wlan-ng: replace BUG_ON() into WARN_ON() on hfa384x_usbin

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Message-Id: <1478541328-2214-5-git-send-email-sergio.paracuellos@gmail.com>
Date:   Mon,  7 Nov 2016 18:55:21 +0100
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 04/11] staging: wlan-ng: replace BUG_ON() into WARN_ON() on hfa384x_usbin_callback

This patch avoids using BUG_ON() from driver,
and return from hfa384x_usbin_callback with WARN_ON()
if skb was NULL or data in skb is different from expected one.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 drivers/staging/wlan-ng/hfa384x_usb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index d234ed76..349f122 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -3057,7 +3057,10 @@ static void hfa384x_usbin_callback(struct urb *urb)
 		goto exit;
 
 	skb = hw->rx_urb_skb;
-	BUG_ON(!skb || (skb->data != urb->transfer_buffer));
+	if (!skb || (skb->data != urb->transfer_buffer)) {
+		WARN_ON(1);
+		return;
+	}
 
 	hw->rx_urb_skb = NULL;
 
-- 
1.9.1