drm/i915/gvt: Mark expected switch fall-through in handle_g2v_notification

PATCH New Gustavo A. R. Silva 1 participant 1 message Mar 22, 2018

Subsystems (3)

DRM drivers Intel i915 Intel GVT-g drivers (Intel GPU Virtualization)

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Gustavo A. R. Silva

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2018-03-22 17:27 UTC #0 lore raw

PATCH 1/1 drm/i915/gvt: Mark expected switch fall-through in handle_g2v_notification

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

Addresses-Coverity-ID: 1466154 ("Missing break in switch")

Signed-off-by Gustavo A. R. Silva <[email protected]>

---
 drivers/gpu/drm/i915/gvt/handlers.c | 1 +
 1 file changed, 1 insertion(+)

drivers/gpu/drm/i915/gvt/handlers.c +1 -0

index 8c5d5d0..a33c1c3e 100644
@@ -1150,6 +1150,7 @@ static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification)
 	switch (notification) {
 	case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE:
 		root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY;
+		/* fall through */
 	case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE:
 		mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps);
 		return PTR_ERR_OR_ZERO(mm);

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