[Intel-gfx] [PATCH] drm/i915: Fix wrong return value in intel_atomic_check()

[Tianjia Zhang]

In the case of calling check_digital_port_conflicts() failed, a
negative error code -EINVAL should be returned.

Fixes: bf5da83e4bd80 ("drm/i915: Move check_digital_port_conflicts() earier")
Cc: Ville Syrjälä 
Signed-off-by: Tianjia Zhang 
---
 drivers/gpu/drm/i915/display/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 26996e1839e2..9f3a7ef58aba 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -14872,7 +14872,7 @@ static int intel_atomic_check(struct drm_device *dev,
if (any_ms && !check_digital_port_conflicts(state)) {
drm_dbg_kms(_priv->drm,
"rejecting conflicting digital port 
configuration\n");
-   ret = EINVAL;
+   ret = -EINVAL;
goto fail;
}
 
-- 
2.26.2

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[Intel-gfx] [PATCH] drm/i915: Fix wrong return value

[Tianjia Zhang]

In function i915_active_acquire_preallocate_barrier(), not all
paths have the return value set correctly, and in case of memory
allocation failure, a negative error code should be returned.

Cc: Chris Wilson 
Signed-off-by: Tianjia Zhang 
---
 drivers/gpu/drm/i915/i915_active.c| 4 ++--
 drivers/gpu/drm/i915/selftests/i915_request.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_active.c 
b/drivers/gpu/drm/i915/i915_active.c
index d960d0be5bd2..cc017e3cc9c5 100644
--- a/drivers/gpu/drm/i915/i915_active.c
+++ b/drivers/gpu/drm/i915/i915_active.c
@@ -758,7 +758,7 @@ int i915_active_acquire_preallocate_barrier(struct 
i915_active *ref,
intel_engine_mask_t tmp, mask = engine->mask;
struct llist_node *first = NULL, *last = NULL;
struct intel_gt *gt = engine->gt;
-   int err;
+   int err = 0;
 
GEM_BUG_ON(i915_active_is_idle(ref));
 
@@ -782,7 +782,7 @@ int i915_active_acquire_preallocate_barrier(struct 
i915_active *ref,
if (!node) {
node = kmem_cache_alloc(global.slab_cache, GFP_KERNEL);
if (!node) {
-   err = ENOMEM;
+   err = -ENOMEM;
goto unwind;
}
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c 
b/drivers/gpu/drm/i915/selftests/i915_request.c
index 6014e8dfcbb1..dda801a87b8a 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -326,7 +326,7 @@ static int __igt_breadcrumbs_smoketest(void *arg)
if (!wait) {
i915_sw_fence_commit(submit);
heap_fence_put(submit);
-   err = ENOMEM;
+   err = -ENOMEM;
break;
}
 
-- 
2.26.2

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