On 07/05/2021 15:42, Janusz Krzysztofik wrote:
Commit fb5970da1b42 ("drm/i915/gt: Use the kernel_context to measure the
breadcrumb size") reordered some operations inside engine_init_common()
and added an error unwind path to that function. In that path, a
reference to a kernel context candidate supposed to be released on error
was put, but the context, pinned when created, was not unpinned first.
Fix it by replacing intel_context_put() with destroy_pinned_context()
introduced later by commit b436a5f8b6c8 ("drm/i915/gt: Track all timelines
created using the HWSP").
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 6dbdbde00f14..eba2da9679a5 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -898,7 +898,7 @@ static int engine_init_common(struct intel_engine_cs *engine)
return 0;
err_context:
- intel_context_put(ce);
+ destroy_pinned_context(ce);
return ret;
}
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Found by some test or code inspection?
Regards,
Tvrtko
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