linux-kernel - [PATCH 028/141] drm/amd/display: Fix fall-through warnings for Clang

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Message-ID: <9ac81a4aab74e0b3317172e66a985fe6d1ae4e1b.1605896059.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:28:12 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 028/141] drm/amd/display: 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/gpu/drm/amd/display/dc/bios/bios_parser.c  | 1 +
 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 2 ++
 drivers/gpu/drm/amd/display/dc/core/dc_link.c      | 1 +
 3 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index ad394aefa5d9..23a373ca94b5 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -1198,6 +1198,7 @@ static enum bp_result bios_parser_get_embedded_panel_info(
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index 29d64e7e304f..fd1e64fa8744 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -903,6 +903,7 @@ static enum bp_result bios_parser_get_soc_bb_info(
 			break;
 		case 4:
 			result = get_soc_bb_info_v4_4(bp, soc_bb_info);
+			break;
 		default:
 			break;
 		}
@@ -1019,6 +1020,7 @@ static enum bp_result bios_parser_get_embedded_panel_info(
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index fec87a2e210c..b9254a87ee73 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1052,6 +1052,7 @@ static bool dc_link_detect_helper(struct dc_link *link,
 
 				return false;
 			}
+			break;
 		default:
 			break;
 		}
-- 
2.27.0