6.13-stable review patch. If anyone has any objections, please let me know.
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From: Krzysztof Karas krzysztof.karas@intel.com
[ Upstream commit 53139b3f9998ea07289e7b70b909fea2264a0de9 ]
There is an error path in igt_ppgtt_alloc(), which leads to ww object being passed down to i915_gem_ww_ctx_fini() without initialization. Correct that by only putting ppgtt->vm and returning early.
Fixes: 480ae79537b2 ("drm/i915/selftests: Prepare gtt tests for obj->mm.lock removal") Signed-off-by: Krzysztof Karas krzysztof.karas@intel.com Reviewed-by: Mikolaj Wasiak mikolaj.wasiak@intel.com Reviewed-by: Andi Shyti andi.shyti@linux.intel.com Signed-off-by: Andi Shyti andi.shyti@linux.intel.com Link: https://patchwork.freedesktop.org/patch/msgid/iuaonpjc3rywmvhna6umjlvzilocn2... (cherry picked from commit 8d8334632ea62424233ac6529712868241d0f8df) Signed-off-by: Rodrigo Vivi rodrigo.vivi@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 5c397a2df70e2..5d27e1c733c52 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -168,7 +168,7 @@ static int igt_ppgtt_alloc(void *arg) return PTR_ERR(ppgtt);
if (!ppgtt->vm.allocate_va_range) - goto err_ppgtt_cleanup; + goto ppgtt_vm_put;
/* * While we only allocate the page tables here and so we could @@ -236,7 +236,7 @@ static int igt_ppgtt_alloc(void *arg) goto retry; } i915_gem_ww_ctx_fini(&ww); - +ppgtt_vm_put: i915_vm_put(&ppgtt->vm); return err; }