1 files changed, 17 insertions, 0 deletions

diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index f66da025cb7f..4e2ec191a127 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -269,6 +269,23 @@ const char *kallsyms_lookup(unsigned long addr,
         return NULL;
 }
 
+int lookup_symbol_name(unsigned long addr, char *symname)
+{
+        symname[0] = '\0';
+        symname[KSYM_NAME_LEN] = '\0';
+
+        if (is_ksym_addr(addr)) {
+                unsigned long pos;
+
+                pos = get_symbol_pos(addr, NULL, NULL);
+                /* Grab name */
+                kallsyms_expand_symbol(get_symbol_offset(pos), symname);
+                return 0;
+        }
+        /* see if it's in a module */
+        return lookup_module_symbol_name(addr, symname);
+}
+
 /* Look up a kernel symbol and return it in a text buffer. */
 int sprint_symbol(char *buffer, unsigned long address)
 {