module: Fix gratuitous sprintf in module.c

Andrew sent an older version of this patch: we shouldn't use sprintf
to copy a string.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/module.c b/kernel/module.c
index 17314691d3cc..276abd7b7ff7 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -738,7 +738,7 @@ sys_delete_module(const char __user *name_user, unsigned int flags)
                 mutex_lock(&module_mutex);
         }
         /* Store the name of the last unloaded module for diagnostic purposes */
-        sprintf(last_unloaded_module, mod->name);
+        strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module));
         free_module(mod);
 
  out: