Detect missing symbols used with kallsyms_lookup at compile time

[lttng-modules.git] / include / wrapper / irqdesc.h

diff --git a/include/wrapper/irqdesc.h b/include/wrapper/irqdesc.h
index d2032302dd922381f4bc596951d9e1165551772e..3c71c723a2b5085e0897cfbd1b4157879bb4584e 100644 (file)
--- a/include/wrapper/irqdesc.h
+++ b/include/wrapper/irqdesc.h
@@ -17,4 +17,17 @@
 
 struct irq_desc *wrapper_irq_to_desc(unsigned int irq);
 
+/*
+ * Canary function to check for 'irq_to_desc()' at compile time.
+ *
+ * From 'include/linux/irqnr.h':
+ *
+ *   extern struct irq_desc *irq_to_desc(unsigned int irq);
+ */
+static inline
+struct irq_desc *__canary__irq_to_desc(unsigned int irq)
+{
+       return irq_to_desc(irq);
+}
+
 #endif /* _LTTNG_WRAPPER_IRQDESC_H */