Arnd Bergmann <[email protected]> wrote: > A couple of macros that deal with statistics in ath9k rely on the > declaration of the 'sc' variable, which they dereference. > > However, when the statistics are disabled, the new instance in > ath_cmn_process_fft() causes a warning for an unused variable: > > drivers/net/wireless/ath/ath9k/common-spectral.c: In function > 'ath_cmn_process_fft': > drivers/net/wireless/ath/ath9k/common-spectral.c:474:20: error: unused > variable 'sc' [-Werror=unused-variable] > > It's better if those macros only operate on their arguments instead of > known variable names, and adding a cast to (void) kills off that warning. > > Fixes: 03224678c013 ("ath9k: add counters for good and errorneous > FFT/spectral frames") > Signed-off-by: Arnd Bergmann <[email protected]> > Signed-off-by: Kalle Valo <[email protected]>
Patch applied to ath-next branch of ath.git, thanks. 72569b7be461 ath9k: fix RX_STAT_INC() etc macros -- https://patchwork.kernel.org/patch/10632911/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
