From 920d3fb1a00c3d7bb24c9b396c8b2950192c5ad8 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 14 Jun 2018 13:49:23 +0100 Subject: [PATCH] drm/i915/selftests: Initialise request to silence a compiler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With an old (4.7.3 on 32bit) gcc, it emits a warning for In file included from drivers/gpu/drm/i915/i915_request.c:1425:0: drivers/gpu/drm/i915/selftests/i915_request.c: In function ‘live_nop_request’: drivers/gpu/drm/i915/selftests/i915_request.c:380:21: error: ‘request’ may be used uninitialized in this function [-Werror=maybe-uninitialized] Silence it by just setting it to NULL on initialisation. Signed-off-by: Chris Wilson Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20180614124923.18071-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/selftests/i915_request.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index f5d00332bb31..63cd9486cc13 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -342,9 +342,9 @@ static int live_nop_request(void *arg) mutex_lock(&i915->drm.struct_mutex); for_each_engine(engine, i915, id) { - IGT_TIMEOUT(end_time); - struct i915_request *request; + struct i915_request *request = NULL; unsigned long n, prime; + IGT_TIMEOUT(end_time); ktime_t times[2] = {}; err = begin_live_test(&t, i915, __func__, engine->name);