In general, the compiler should not be able to detect if we do any passes through the test loops: In file included from drivers/gpu/drm/i915/i915_gem.c:5029: drivers/gpu/drm/i915/selftests/i915_gem_coherency.c: In function 'igt_gem_coherency': drivers/gpu/drm/i915/selftests/i915_gem_coherency.c:274: error: 'err' may be used uninitialized in this function Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/selftests/i915_gem_coherency.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c index 483cbe02d983..26dc8079f399 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c @@ -271,7 +271,7 @@ static int igt_gem_coherency(void *arg) struct drm_i915_gem_object *obj; unsigned long count, n; u32 *offsets, *values; - int err; + int err = 0; /* We repeatedly write, overwrite and read from a sequence of * cachelines in order to try and detect incoherency (unflushed writes -- 2.11.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
