linux-kernel - [PATCH] drivers: net: wireless: ath: ath9k: dfs: remove VLA usage

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Message-Id: <1520601833-4952-1-git-send-email-andreaschristofo@gmail.com>
Date:   Fri,  9 Mar 2018 15:23:53 +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: ath9k: dfs: remove VLA usage

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

This is the correct patch.

Signed-off-by: Andreas Christoforou <andreaschristofo@...il.com>
---
 drivers/net/wireless/ath/ath9k/dfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/dfs.c b/drivers/net/wireless/ath/ath9k/dfs.c
index 6fee9a4..eeb77f2 100644
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -101,7 +101,7 @@ 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