Subject: Re: [v2] cw1200: fix bogus maybe-uninitialized warning

From: Kalle Valo <[email-masked]>
Date: Thu, 17 Nov 2016 06:48:19 +0000 (UTC)

Arnd Bergmann <[email-masked]> wrote:
> On x86, the cw1200 driver produces a rather silly warning about the
> possible use of the 'ret' variable without an initialization
> presumably after being confused by the architecture specific definition
> of WARN_ON:
> 
> drivers/net/wireless/st/cw1200/wsm.c: In function ‘wsm_handle_rx’:
> drivers/net/wireless/st/cw1200/wsm.c:1457:9: error: ‘ret’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
> 
> We have already checked that 'count' is larger than 0 here, so
> we know that 'ret' is initialized. Changing the 'for' loop
> into do/while also makes this clear to the compiler.
> 
> Suggested-by: David Laight <[email-masked]>
> Signed-off-by: Arnd Bergmann <[email-masked]>

Patch applied to wireless-drivers-next.git, thanks.

7fc1503c906f cw1200: fix bogus maybe-uninitialized warning

-- 
https://patchwork.kernel.org/patch/9395413/

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