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

From: Kalle Valo
Date: Thu Nov 17 2016 - 01:48:26 EST

Arnd Bergmann <arnd@xxxxxxxx> 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 âwsm_handle_rxâ:
> drivers/net/wireless/st/cw1200/wsm.c:1457:9: error: âretâ 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 <David.Laight@xxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

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

7fc1503c906f cw1200: fix bogus maybe-uninitialized warning


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