1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 23b138e31e9c..504ad198e4ad 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -886,7 +886,7 @@ asmlinkage void early_printk(const char *fmt, ...)
         va_list ap;
 
         va_start(ap, fmt);
-        n = vscnprintf(buf, 512, fmt, ap);
+        n = vscnprintf(buf, sizeof(buf), fmt, ap);
         early_console->write(early_console, buf, n);
         va_end(ap);
 }