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Date:   Mon, 29 Apr 2019 15:01:24 +0000 (UTC)
From:   Kalle Valo <>
To:     Arnd Bergmann <>
Cc:     Christian Lamparter <>,
        "David S. Miller" <>,,
        Nick Desaulniers <>,
        Nathan Chancellor <>,
        Arnd Bergmann <>,
        Dan Carpenter <>,
        "Gustavo A. R. Silva" <>,,,
Subject: Re: [PATCH] wireless: carl9170: fix clang build warning

Arnd Bergmann <> wrote:

> clang fails to eliminate some dead code with always-taken branches
> when CONFIG_PROFILE_ANNOTATED_BRANCHES is set, leading to a false-positive
> warning:
> drivers/net/wireless/ath/carl9170/mac.c:522:3: error: variable 'power' is used uninitialized whenever 'if' condition is
>       false [-Werror,-Wsometimes-uninitialized]
>                 BUG_ON(1);
>                 ^~~~~~~~~
> Change both instances of BUG_ON(1) in carl9170 to the simpler BUG()
> to avoid the warning.
> Signed-off-by: Arnd Bergmann <>
> Acked-by: Christian Lamparter <>
> Signed-off-by: Kalle Valo <>

Patch applied to ath-next branch of ath.git, thanks.

62acdcfa8b7a wireless: carl9170: fix clang build warning


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