<4>[ 30.702366] ================================================ <4>[ 30.702383] WARNING: lock held when returning to user space! <4>[ 30.702404] 4.16.0-rc1-CI-kasan_1+ #1 Tainted: G W <4>[ 30.702422] ------------------------------------------------ <4>[ 30.702440] kms_3d/1439 is leaving the kernel with locks still held! <4>[ 30.702459] 1 lock held by kms_3d/1439: <4>[ 30.702472] #0: (drm_connector_list_iter){.+.+}, at: [<000000003745d183>] intel_atomic_check+0x1d9d/0x3ff0 [i915] Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> Reported-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_display.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3eb4c4b2e0e0..9f9656c9cfbe 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10635,6 +10635,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state) struct drm_connector_list_iter conn_iter; unsigned int used_ports = 0; unsigned int used_mst_ports = 0; + bool ret = true; /* * Walk the connector list instead of the encoder @@ -10669,7 +10670,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state) /* the same port mustn't appear more than once */ if (used_ports & port_mask) - return false; + ret = false; used_ports |= port_mask; break; @@ -10687,7 +10688,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state) if (used_ports & used_mst_ports) return false; - return true; + return ret; } static void -- 2.16.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx