1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/module.c b/kernel/module.c
index 7c77a0a9275c..7f60e782de1e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2040,7 +2040,8 @@ const char *module_address_lookup(unsigned long addr,
         list_for_each_entry(mod, &modules, list) {
                 if (within(addr, mod->module_init, mod->init_size)
                     || within(addr, mod->module_core, mod->core_size)) {
-                        *modname = mod->name;
+                        if (modname)
+                                *modname = mod->name;
                         return get_ksymbol(mod, addr, size, offset);
                 }
         }