linux-kernel - [PATCH 137/141] wcn36xx: Fix fall-through warnings for Clang

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Message-ID: <f932c887e013767cbdabfdddd671086e8ae63193.1605896060.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:40:49 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     wcn36xx@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 137/141] wcn36xx: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a
warning by replacing a /* fall through */ comment with the new
pseudo-keyword macro fallthrough; instead of letting the code fall
through to the next case.

Notice that Clang doesn't recognize /* fall through */ comments as
implicit fall-through markings.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/net/wireless/ath/wcn36xx/smd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 766400f7b61c..4c8f4a7e7085 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -2568,7 +2568,7 @@ static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len)
 	case WCN36XX_HAL_SCAN_IND_FAILED:
 	case WCN36XX_HAL_SCAN_IND_DEQUEUED:
 		scan_info.aborted = true;
-		/* fall through */
+		fallthrough;
 	case WCN36XX_HAL_SCAN_IND_COMPLETED:
 		mutex_lock(&wcn->scan_lock);
 		wcn->scan_req = NULL;
-- 
2.27.0