[PATCH] drivers: net: wireless: ath: ath9: dfs: remove VLA usage

From: Andreas Christoforou
Date: Fri Mar 09 2018 - 07:30:54 EST


The kernel would like to have all stack VLA usage removed.

Signed-off-by: Andreas Christoforou <andreaschristofo@xxxxxxxxx>
---
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