1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/cdrom/optcd.c b/drivers/cdrom/optcd.c
index 25032d7edc55..3541690a77d4 100644
--- a/drivers/cdrom/optcd.c
+++ b/drivers/cdrom/optcd.c
@@ -101,7 +101,7 @@ static void debug(int debug_this, const char* fmt, ...)
                 return;
 
         va_start(args, fmt);
-        vsprintf(s, fmt, args);
+        vsnprintf(s, sizeof(s), fmt, args);
         printk(KERN_DEBUG "optcd: %s\n", s);
         va_end(args);
 }