linux-hardening - [PATCH][next] staging: r8188eu: Fix fall-through warnings for Clang

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Message-ID: <20210818221418.GA311735@embeddedor>
Date:   Wed, 18 Aug 2021 17:14:18 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][next] staging: r8188eu: Fix fall-through warnings for Clang

Fix the following fallthrough warnings:

drivers/staging/r8188eu/core/rtw_mlme_ext.c:1498:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
drivers/staging/r8188eu/core/rtw_wlan_util.c:1113:4: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
drivers/staging/r8188eu/core/rtw_wlan_util.c:1147:4: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
drivers/staging/r8188eu/core/rtw_wlan_util.c:1405:3: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]

This helps with the ongoing efforts to globally enable
-Wimplicit-fallthrough for Clang.

Link: https://github.com/KSPP/linux/issues/115 
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/staging/r8188eu/core/rtw_mlme_ext.c  | 1 +
 drivers/staging/r8188eu/core/rtw_wlan_util.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
index 61b239651e1a..590a4572c23f 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
@@ -1495,6 +1495,7 @@ unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame
 			break;
 		case _ERPINFO_IE_:
 			ERP_IE_handler(padapter, pIE);
+			break;
 		default:
 			break;
 		}
diff --git a/drivers/staging/r8188eu/core/rtw_wlan_util.c b/drivers/staging/r8188eu/core/rtw_wlan_util.c
index cddacf023fa6..e0ce2b796abe 100644
--- a/drivers/staging/r8188eu/core/rtw_wlan_util.c
+++ b/drivers/staging/r8188eu/core/rtw_wlan_util.c
@@ -1110,6 +1110,7 @@ unsigned int is_ap_in_tkip(struct adapter *padapter)
 			case _RSN_IE_2_:
 				if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
 					return true;
+				break;
 			default:
 				break;
 			}
@@ -1144,6 +1145,7 @@ unsigned int should_forbid_n_rate(struct adapter *padapter)
 				if  ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4))  ||
 				     (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
 					return false;
+				break;
 			default:
 				break;
 			}
@@ -1401,6 +1403,7 @@ unsigned char check_assoc_AP(u8 *pframe, uint len)
 			} else {
 				break;
 			}
+			break;
 
 		default:
 			break;
-- 
2.27.0