ath9k: fix reporting calculated new FFT upper max

[ Upstream commit 4fb5837ac2bd46a85620b297002c704e9958f64d ]

Since the debug print code is outside of the loop, it shouldn't use the loop
iterator anymore but instead print the found maximum index.

Cc: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index eedf86b..807fbe3 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -411,7 +411,7 @@
 
 		ath_dbg(common, SPECTRAL_SCAN,
 			"Calculated new upper max 0x%X at %i\n",
-			tmp_mag, i);
+			tmp_mag, fft_sample_40.upper_max_index);
 	} else
 	for (i = dc_pos; i < SPECTRAL_HT20_40_NUM_BINS; i++) {
 		if (fft_sample_40.data[i] == (upper_mag >> max_exp))