linux-kernel - [PATCH 074/141] cfg80211: Fix fall-through warnings for Clang

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Date:   Fri, 20 Nov 2020 12:34:50 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     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 074/141] cfg80211: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of 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>
---
 net/wireless/util.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/wireless/util.c b/net/wireless/util.c
index f01746894a4e..623a4dfb9877 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -335,6 +335,7 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 	case WLAN_CIPHER_SUITE_WEP104:
 		if (key_idx > 3)
 			return -EINVAL;
+		break;
 	default:
 		break;
 	}
-- 
2.27.0