Arnd Bergmann <a...@arndb.de> wrote:
> As clang points out, the vht_pfr is assigned to a struct member
> without being initialized in one case:
>
> drivers/net/wireless/ath/ath10k/mac.c:7528:7: error: variable 'vht_pfr' is
> used uninitialized whenever 'if' condition
> is false [-Werror,-Wsometimes-uninitialized]
> if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask,
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/wireless/ath/ath10k/mac.c:7551:20: note: uninitialized use occurs
> here
> arvif->vht_pfr = vht_pfr;
> ^~~~~~~
> drivers/net/wireless/ath/ath10k/mac.c:7528:3: note: remove the 'if' if its
> condition is always true
> if (!ath10k_mac_can_set_bitrate_mask(ar, band, mask,
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/wireless/ath/ath10k/mac.c:7483:12: note: initialize the variable
> 'vht_pfr' to silence this warning
> u8 vht_pfr;
>
> Add an explicit but probably incorrect initialization here.
> I suspect we want a better fix here, but chose this approach to
> illustrate the issue.
>
> Fixes: 8b97b055dc9d ("ath10k: fix failure to set multiple fixed rate")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Reviewed-by: Nathan Chancellor <natechancel...@gmail.com>
Patch applied to wireless-drivers.git, thanks.
ff414f31ce37 ath10k: work around uninitialized vht_pfr variable
--
https://patchwork.kernel.org/patch/11034993/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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