linux-kernel - Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel

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Message-id: <1785807958.195941437479984203.JavaMail.weblogic@epmlwas04a>
Date:	Tue, 21 Jul 2015 11:59:46 +0000 (GMT)
From:	Maninder Singh <maninder1.s@...sung.com>
To:	Kalle Valo <kvalo@....qualcomm.com>
Cc:	"ath10k@...ts.infradead.org" <ath10k@...ts.infradead.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	PANKAJ MISHRA <pankaj.m@...sung.com>
Subject: Re: [PATCH 1/1] ath10k: fixing wrong initialization of struct channel

>> chandef is initialized with NULL and on the very next line,
>> we are using it to get channel, which is not correct.
>>
>> channel should be initialized after obtaining chandef.
>>
>> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>

>How did you find this bug?

Static anlysis reports this bug like coverity or any other static tool like cppcheck :-

drivers/net/wireless/ath/ath10k/mac.c:839]: (error) Possible null pointer dereference: chandef

Thanks,
Maninder