1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 89427d8d4fc5..eec40f595ab9 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -175,7 +175,9 @@ static __init void early_serial_init(char *s)
         }
 
         if (*s) {
-                if (kstrtoul(s, 0, &baud) < 0 || baud == 0)
+                baud = simple_strtoull(s, &e, 0);
+
+                if (baud == 0 || s == e)
                         baud = DEFAULT_BAUD;
         }