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Diffstat (limited to 'drivers/hwtracing/intel_th/intel_th.h')
-rw-r--r--drivers/hwtracing/intel_th/intel_th.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 15ebd48..0df22e3 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -151,6 +151,9 @@ struct intel_th_driver {
#define to_intel_th_driver(_d) \
container_of((_d), struct intel_th_driver, driver)
+#define to_intel_th_driver_or_null(_d) \
+ ((_d) ? to_intel_th_driver(_d) : NULL)
+
static inline struct intel_th_device *
to_intel_th_hub(struct intel_th_device *thdev)
{
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