linux-hardening - [PATCH 024/141] staging: vt6655: Fix fall-through warnings for Clang

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Message-ID: <863fda60074850bc976974af48fa769c64725e64.1605896059.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:27:44 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 024/141] staging: vt6655: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of just
letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/staging/vt6655/device_main.c | 1 +
 drivers/staging/vt6655/rxtx.c        | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 09ab6d6f2429..0adbd2b67df0 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1579,6 +1579,7 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	case DISABLE_KEY:
 		if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
 			clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 477d19314634..1a64152de189 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -1004,6 +1004,7 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
 		switch (info->control.hw_key->cipher) {
 		case WLAN_CIPHER_SUITE_CCMP:
 			cbMICHDR = sizeof(struct vnt_mic_hdr);
+			break;
 		default:
 			break;
 		}
@@ -1318,6 +1319,7 @@ int vnt_generate_fifo_header(struct vnt_private *priv, u32 dma_idx,
 			break;
 		case WLAN_CIPHER_SUITE_CCMP:
 			tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_AES);
+			break;
 		default:
 			break;
 		}
-- 
2.27.0