linux-hardening - [PATCH 079/141] drm: Fix fall-through warnings for Clang

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Message-ID: <111e9d3d55c686892357aa5269022024b4d48330.1605896059.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:35:17 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 079/141] drm: 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>
---
 drivers/gpu/drm/drm_bufs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 7a01d0918861..aeb1327e3077 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -77,6 +77,7 @@ static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
 			if ((entry->map->offset & 0xffffffff) ==
 			    (map->offset & 0xffffffff))
 				return entry;
+			break;
 		default: /* Make gcc happy */
 			;
 		}
-- 
2.27.0