linux-kernel - Re: linux-next: build warning after merge of the wireless-drivers-next tree

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Date:   Fri, 13 Jan 2017 15:47:41 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        Wireless <linux-wireless@...r.kernel.org>,
        linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xinming Hu <huxm@...vell.com>,
        Amitkumar Karwar <akarwar@...vell.com>
Subject: Re: linux-next: build warning after merge of the wireless-drivers-next tree

Stephen Rothwell <sfr@...b.auug.org.au> writes:

> Hi all,
>
> After merging the wireless-drivers-next tree, today's linux-next build
> (x86_64 allmodconfig) produced this warning:
>
> drivers/net/wireless/marvell/mwifiex/pcie.c: In function 'mwifiex_pcie_remove':
> drivers/net/wireless/marvell/mwifiex/pcie.c:303:5: warning: 'fw_status' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   if (fw_status == FIRMWARE_READY_PCIE && !adapter->mfg_mode) {
>      ^
>
> Introduced by commit
>
>   045f0c1b5e26 ("mwifiex: get rid of global user_rmmod flag")
>
> This is not a false positive since "reg" could be NULL just above
> (otherwise it would be tested for).

Thanks, I noticed this myself yesterday (after I had applied the patch)
and I have asked Marvell to send a fix.

-- 
Kalle Valo