Reviewed by: phk

serial_putchar() always hung if it was called and the serial port existed,
so booting with -h hung when the above bug was fixed.  Previously, setting
-h did nothing but -h was sometimes the default due to the stack garbage
bug.

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/i386/boot/kzipboot/boot.c b/sys/i386/boot/kzipboot/boot.c
index 16ccefd..2c91fe4 100644
--- a/sys/i386/boot/kzipboot/boot.c
+++ b/sys/i386/boot/kzipboot/boot.c
@@ -60,7 +60,7 @@ void serial_putchar (unsigned char c)
 
 	do {
 		 stat = inb (COMCONSOLE+5);
-	} while (stat & 0x20);
+	} while (!(stat & 0x20));
 
 	outb (COMCONSOLE, c);
 }