linux-kernel - [PATCH 4.9 090/130] ieee802154: fakelb: switch from BUG_ON() to WARN

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Message-Id: <20180823074933.021081262@linuxfoundation.org>
Date:   Thu, 23 Aug 2018 09:53:26 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Stefan Schmidt <stefan@...enfreihafen.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 090/130] ieee802154: fakelb: switch from BUG_ON() to WARN_ON() on problem

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stefan Schmidt <stefan@...enfreihafen.org>

[ Upstream commit 8f2fbc6c60ff213369e06a73610fc882a42fdf20 ]

The check is valid but it does not warrant to crash the kernel. A
WARN_ON() is good enough here.
Found by checkpatch.

Signed-off-by: Stefan Schmidt <stefan@...enfreihafen.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ieee802154/fakelb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -49,7 +49,7 @@ struct fakelb_phy {
 
 static int fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
 {
-	BUG_ON(!level);
+	WARN_ON(!level);
 	*level = 0xbe;
 
 	return 0;