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| author | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2018-10-17 16:28:51 +0200 |
|---|---|---|
| committer | Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-04-10 10:07:29 -0500 |
| commit | 322b38ce3dd6458b92ee25acee68c973281dbbde (patch) | |
| tree | 63b828df37fc418308e84a7d561cb4ec61dfb6dc /drivers/gpu/drm/nouveau/nvkm/engine | |
| parent | a01bcfd6990d18d97f88c01d3082e562a562cc4d (diff) | |
| download | linux-stable-322b38ce3dd6458b92ee25acee68c973281dbbde.tar.gz linux-stable-322b38ce3dd6458b92ee25acee68c973281dbbde.tar.bz2 linux-stable-322b38ce3dd6458b92ee25acee68c973281dbbde.zip | |
drm/nouveau/nvkm: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
This patch aims to suppress 29 missing-break-in-switch false positives.
Addresses-Coverity-ID: 1456891 ("Missing break in switch")
Addresses-Coverity-ID: 1324063 ("Missing break in switch")
Addresses-Coverity-ID: 1324063 ("Missing break in switch")
Addresses-Coverity-ID: 141432 ("Missing break in switch")
Addresses-Coverity-ID: 141433 ("Missing break in switch")
Addresses-Coverity-ID: 141434 ("Missing break in switch")
Addresses-Coverity-ID: 141435 ("Missing break in switch")
Addresses-Coverity-ID: 141436 ("Missing break in switch")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv04.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c | 1 |
4 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c index d131cca999dd..10f2aa9f29a4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c @@ -23,38 +23,55 @@ void pack_hdmi_infoframe(struct packed_hdmi_infoframe *packed_frame, */ case 17: subpack1_high = (raw_frame[16] << 16); + /* fall through */ case 16: subpack1_high |= (raw_frame[15] << 8); + /* fall through */ case 15: subpack1_high |= raw_frame[14]; + /* fall through */ case 14: subpack1_low = (raw_frame[13] << 24); + /* fall through */ case 13: subpack1_low |= (raw_frame[12] << 16); + /* fall through */ case 12: subpack1_low |= (raw_frame[11] << 8); + /* fall through */ case 11: subpack1_low |= raw_frame[10]; + /* fall through */ case 10: subpack0_high = (raw_frame[9] << 16); + /* fall through */ case 9: subpack0_high |= (raw_frame[8] << 8); + /* fall through */ case 8: subpack0_high |= raw_frame[7]; + /* fall through */ case 7: subpack0_low = (raw_frame[6] << 24); + /* fall through */ case 6: subpack0_low |= (raw_frame[5] << 16); + /* fall through */ case 5: subpack0_low |= (raw_frame[4] << 8); + /* fall through */ case 4: subpack0_low |= raw_frame[3]; + /* fall through */ case 3: header = (raw_frame[2] << 16); + /* fall through */ case 2: header |= (raw_frame[1] << 8); + /* fall through */ case 1: header |= raw_frame[0]; + /* fall through */ case 0: break; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv04.c index 49ef7e57aad4..7f1adab21a5f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/usernv04.c @@ -122,6 +122,7 @@ nv04_dmaobj_new(struct nvkm_dma *dma, const struct nvkm_oclass *oclass, break; case NV_MEM_ACCESS_WO: dmaobj->flags0 |= 0x00008000; + /* fall through */ case NV_MEM_ACCESS_RW: dmaobj->flags2 |= 0x00000002; break; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c index ad707ff176cc..93493b335d76 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c @@ -117,8 +117,10 @@ nv04_fifo_swmthd(struct nvkm_device *device, u32 chid, u32 addr, u32 data) switch (mthd) { case 0x0000 ... 0x0000: /* subchannel's engine -> software */ nvkm_wr32(device, 0x003280, (engine &= ~mask)); + /* fall through */ case 0x0180 ... 0x01fc: /* handle -> instance */ data = nvkm_rd32(device, 0x003258) & 0x0000ffff; + /* fall through */ case 0x0100 ... 0x017c: case 0x0200 ... 0x1ffc: /* pass method down to sw */ if (!(engine & mask) && sw) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c index 8c7ba32763c4..47c16821c37f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c @@ -81,6 +81,7 @@ nv40_fifo_init(struct nvkm_fifo *base) case 0x49: case 0x4b: nvkm_wr32(device, 0x002230, 0x00000001); + /* fall through */ case 0x40: case 0x41: case 0x42: |