Kees Cook <keesc...@chromium.org> wrote:

> Using uninitialized_var() is dangerous as it papers over real bugs[1]
> (or can in the future), and suppresses unrelated compiler warnings (e.g.
> "unused variable"). If the compiler thinks it is uninitialized, either
> simply initialize the variable or make compiler changes. As a precursor
> to removing[2] this[3] macro[4], just initialize this variable to NULL.
> No later NULL deref is possible due to the early returns outside of the
> (phy->rev >= 7 && phy->rev < 19) case, which explicitly tests for NULL.
> 
> [1] https://lore.kernel.org/lkml/20200603174714.192027-1-gli...@google.com/
> [2] 
> https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1tgqcr5vqkczwj0qxk6cernou6eedsuda...@mail.gmail.com/
> [3] 
> https://lore.kernel.org/lkml/ca+55afwgbgqhbp1fkxvrkepzyr5j8n1vkt1vzdz9knmpuxh...@mail.gmail.com/
> [4] 
> https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yvju65tplgn_ybynv0ve...@mail.gmail.com/
> 
> Fixes: 58619b14d106 ("b43: move under broadcom vendor directory")
> Signed-off-by: Kees Cook <keesc...@chromium.org>
> Reviewed-by: Nick Desaulniers <ndesaulni...@google.com>

2 patches applied to wireless-drivers-next.git, thanks.

800e7a205a0f b43: Remove uninitialized_var() usage
f8279dad4e36 rtlwifi: rtl8192cu: Remove uninitialized_var() usage

-- 
https://patchwork.kernel.org/patch/11615573/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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