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ath9k: dfs: use swap macro in ath9k_check_chirping

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Make use of the swap macro and remove unnecessary variable temp.
This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Gustavo A. R. Silva 2017-11-03 15:14:25 -05:00 committed by Kalle Valo
parent 0fc66ddfaf
commit 626ab6707a
1 changed files with 3 additions and 5 deletions
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8
drivers/net/wireless/ath/ath9k/dfs.c
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@ -123,11 +123,9 @@ static bool ath9k_check_chirping(struct ath_softc *sc, u8 *data,
fft = (struct ath9k_dfs_fft_40 *) (data + 2);
ath_dbg(common, DFS, "fixing datalen by 2\n");
}
if (IS_CHAN_HT40MINUS(ah->curchan)) {
int temp = is_ctl;
is_ctl = is_ext;
is_ext = temp;
}
if (IS_CHAN_HT40MINUS(ah->curchan))
swap(is_ctl, is_ext);
for (i = 0; i < FFT_NUM_SAMPLES; i++)
max_bin[i] = ath9k_get_max_index_ht40(fft + i, is_ctl,
is_ext);