From: Nick Kossifidis <mickflemm@gmail.com>
Date: Wed, 29 Apr 2015 23:51:18 +0000 (+0000)
Subject: ath9k: No need for that extra memcpy
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9acc98b9ecf9d12bfc6e3f914f3fc446d49b8641;p=linux-beck.git

ath9k: No need for that extra memcpy

No need to copy the frame to the temporary buffer when its length
is ok.

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/ath/ath9k/common-spectral.c b/drivers/net/wireless/ath/ath9k/common-spectral.c
index 0c9bc9ea5d9d..b8682bc4f7ac 100644
--- a/drivers/net/wireless/ath/ath9k/common-spectral.c
+++ b/drivers/net/wireless/ath/ath9k/common-spectral.c
@@ -620,11 +620,9 @@ int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_h
 			}
 
 			/* Process a normal frame */
-			if (sample_bytes == sample_len) {
-				memcpy(sample_buf, sample_start, sample_len);
-				ret = fft_handler(rs, spec_priv, sample_buf,
+			if (sample_bytes == sample_len)
+				ret = fft_handler(rs, spec_priv, sample_start,
 						  tsf, freq, chan_type);
-			}
 
 			/* Short report processed, break out of the
 			 * loop.