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drm/i915/gt: Potential error pointer dereference in pinned_context()

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If the intel_engine_create_pinned_context() function returns an error
pointer, then dereferencing "ce" will Oops.  Use "vm" instead of
"ce->vm".

Fixes: cf58602164 ("drm/i915/gt: Pipelined page migration")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210813113600.GC30697@kili
This commit is contained in:
Dan Carpenter
2021-08-13 14:36:00 +03:00
committed by Rodrigo Vivi
parent 8c3363c67b
commit ff12ce2c9c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gt/intel_migrate.c
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@@ -177,7 +177,7 @@ static struct intel_context *pinned_context(struct intel_gt *gt)
ce = intel_engine_create_pinned_context(engine, vm, SZ_512K,
I915_GEM_HWS_MIGRATE,
&key, "migrate");
i915_vm_put(ce->vm);
i915_vm_put(vm);
return ce;
}