<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.lankho...@linux.intel.com>
Reported-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
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
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