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Message-Id: <1520598613-3641-1-git-send-email-andreaschristofo@gmail.com>
Date: Fri, 9 Mar 2018 14:30:12 +0200
From: Andreas Christoforou <andreaschristofo@...il.com>
To: keescook@...omium.org
Cc: kernel-hardening@...ts.openwall.com,
Andreas Christoforou <andreaschristofo@...il.com>,
QCA ath9k Development <ath9k-devel@....qualcomm.com>,
Kalle Valo <kvalo@...eaurora.org>,
linux-wireless@...r.kernel.org,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] drivers: net: wireless: ath: ath9: dfs: remove VLA usage
The kernel would like to have all stack VLA usage removed.
Signed-off-by: Andreas Christoforou <andreaschristofo@...il.com>
---
drivers/net/wireless/ath/ath9k/dfs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index 6fee9a4..cfb0f84 100644
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -41,7 +41,6 @@ static const int BIN_DELTA_MAX = 10;
/* we need at least 3 deltas / 4 samples for a reliable chirp detection */
#define NUM_DIFFS 3
-static const int FFT_NUM_SAMPLES = (NUM_DIFFS + 1);
/* Threshold for difference of delta peaks */
static const int MAX_DIFF = 2;
@@ -101,7 +100,7 @@ static bool ath9k_check_chirping(struct ath_softc *sc, u8 *data,
int datalen, bool is_ctl, bool is_ext)
{
int i;
- int max_bin[FFT_NUM_SAMPLES];
+ int max_bin[NUM_DIFFS + 1];
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
int prev_delta;
--
2.7.4
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