drm/i915: Fix fall-through warning for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a
warning by explicitly adding a return; statement:

drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:65:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index f4fb68e8955ad153d22607681d60da47df3f36ab..e382b7f2353b89d775a269ac544751e2ce081341 100644 (file)
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -62,6 +62,7 @@ static void try_to_writeback(struct drm_i915_gem_object *obj,
        switch (obj->mm.madv) {
        case I915_MADV_DONTNEED:
                i915_gem_object_truncate(obj);
+               return;
        case __I915_MADV_PURGED:
                return;
        }