linux-kernel - [PATCH] drm/nouveau/devinit/nv04: mark expected switch fall-throughs

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Message-ID: <20171102200625.GA9199@embeddedor.com>
Date:   Thu, 2 Nov 2017 15:06:25 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] drm/nouveau/devinit/nv04: mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 143119
Addresses-Coverity-ID: 143120
Addresses-Coverity-ID: 143121
Addresses-Coverity-ID: 143122
Addresses-Coverity-ID: 143123
Addresses-Coverity-ID: 143124
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
index 158977f..c3dae05 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.c
@@ -119,11 +119,11 @@ powerctrl_1_shift(int chip_version, int reg)
 
 	switch (reg) {
 	case 0x680520:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680508:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680504:
-		shift += 4;
+		shift += 4; /* fall through */
 	case 0x680500:
 		shift += 4;
 	}
@@ -245,11 +245,11 @@ setPLL_double_highregs(struct nvkm_devinit *init, u32 reg1,
 
 		switch (reg1) {
 		case 0x680504:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680500:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680520:
-			shift_c040 += 2;
+			shift_c040 += 2; /* fall through */
 		case 0x680508:
 			shift_c040 += 2;
 		}
-- 
2.7.4