diff mbox

[9/11] ath9k: No need for that extra memset

Message ID 1430351482-59418-10-git-send-email-mickflemm@gmail.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Nick Kossifidis April 29, 2015, 11:51 p.m. UTC 
Temp buffer is only used for fixing malformed frames, there is no
need to memset it every time.

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
---
 drivers/net/wireless/ath/ath9k/common-spectral.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index 4ab08ed..5840b37 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -645,6 +645,8 @@  int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
 
 				fft_handler(rs, spec_priv, sample_buf,
 					    tsf, freq, chan_type);
+
+				memset(sample_buf, 0, SPECTRAL_SAMPLE_MAX_LEN);
 			}
 
 			/* Process a normal frame */
@@ -658,7 +660,6 @@  int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
 			if (len <= fft_len + 2)
 				break;
 
-			memset(sample_buf, 0, SPECTRAL_SAMPLE_MAX_LEN);
 			sample_start = &vdata[i + 1];
 
 			/* -1 to grab sample_len -1, -2 since