--- zzzz-none-000/linux-4.1.52/include/linux/kallsyms.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/kallsyms.h	2022-03-02 11:37:13.000000000 +0000
@@ -109,7 +109,7 @@
 
 /* This macro allows us to keep printk typechecking */
 static __printf(1, 2)
-void __check_printsym_format(const char *fmt, ...)
+void __check_printsym_format(const char *fmt __maybe_unused, ...)
 {
 }
 
@@ -122,7 +122,21 @@
 
 static inline void print_ip_sym(unsigned long ip)
 {
+#if defined(CONFIG_BCM_KF_EXTRA_DEBUG)
+#if defined(CONFIG_ARM)
+    if (((ip & 0xF0000000) == 0xc0000000))
+#elif defined (CONFIG_MIPS)
+    if (((ip & 0xF0000000) == 0x80000000))
+#else
+    if ((ip & 0xfffffff000000000) == 0xffffffc000000000 || (ip & 0xfffffff000000000) == 0xffffffb000000000)
+#endif
 	printk("[<%p>] %pS\n", (void *) ip, (void *) ip);
+    else
+    	printk("[<%p>] (suspected corrupt symbol)\n", (void *) ip);
+#else
+
+	printk("[<%p>] %pS\n", (void *) ip, (void *) ip);
+#endif
 }
 
 #endif /*_LINUX_KALLSYMS_H*/