Commit b8f2169d authored by Chris Wilson's avatar Chris Wilson

drm/i915: Silence compiler warning for seltests/i915_gem_coherency

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: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170214143509.15719-1-chris@chris-wilson.co.ukReviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
parent 72affdf9
...@@ -272,7 +272,7 @@ static int igt_gem_coherency(void *arg) ...@@ -272,7 +272,7 @@ static int igt_gem_coherency(void *arg)
struct drm_i915_gem_object *obj; struct drm_i915_gem_object *obj;
unsigned long count, n; unsigned long count, n;
u32 *offsets, *values; u32 *offsets, *values;
int err; int err = 0;
/* We repeatedly write, overwrite and read from a sequence of /* We repeatedly write, overwrite and read from a sequence of
* cachelines in order to try and detect incoherency (unflushed writes * cachelines in order to try and detect incoherency (unflushed writes
......
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