Re: [PATCH 2/2] mt76: mt7921: remove incorrect error handling

From: Kalle Valo
Date: Fri Feb 26 2021 - 04:25:37 EST


Arnd Bergmann <arnd@xxxxxxxxxx> wrote:

> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Clang points out a mistake in the error handling in
> mt7921_mcu_tx_rate_report(), which tries to dereference a pointer that
> cannot be initialized because of the error that is being handled:
>
> drivers/net/wireless/mediatek/mt76/mt7921/mcu.c:409:3: warning: variable 'stats' is uninitialized when used here [-Wuninitialized]
> stats->tx_rate = rate;
> ^~~~~
> drivers/net/wireless/mediatek/mt76/mt7921/mcu.c:401:32: note: initialize the variable 'stats' to silence this warning
> struct mt7921_sta_stats *stats;
> ^
> Just remove the obviously incorrect line.
>
> Fixes: 1c099ab44727 ("mt76: mt7921: add MCU support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

Patch applied to wireless-drivers.git, thanks.

fb5fabb192b2 mt76: mt7921: remove incorrect error handling

--
https://patchwork.kernel.org/project/linux-wireless/patch/20210225145953.404859-2-arnd@xxxxxxxxxx/

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