ath9k: dfs: use swap macro in ath9k_check_chirping

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>

diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index 40a397fd0e0eebdcd5e8d0f40f7cd4ed33be7b68..6fee9a464ccea1c1b51478af79f2741613812b6e 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -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);