hw/char/exynos4210_uart.c: Remove unneeded handling of NULL chardev

The handling of NULL chardevs in exynos4210_uart_create() is now
all unnecessary: we don't need to create 'null' chardevs, and we
don't need to enforce a bounds check on serial_hd().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20180420145249.32435-10-peter.maydell@linaro.org

diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index c2bba03..a5a2856 100644 (file)
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -589,28 +589,8 @@ DeviceState *exynos4210_uart_create(hwaddr addr,
     DeviceState  *dev;
     SysBusDevice *bus;
 
-    const char chr_name[] = "serial";
-    char label[ARRAY_SIZE(chr_name) + 1];
-
     dev = qdev_create(NULL, TYPE_EXYNOS4210_UART);
 
-    if (!chr) {
-        if (channel >= MAX_SERIAL_PORTS) {
-            error_report("Only %d serial ports are supported by QEMU",
-                         MAX_SERIAL_PORTS);
-            exit(1);
-        }
-        chr = serial_hd(channel);
-        if (!chr) {
-            snprintf(label, ARRAY_SIZE(label), "%s%d", chr_name, channel);
-            chr = qemu_chr_new(label, "null");
-            if (!(chr)) {
-                error_report("Can't assign serial port to UART%d", channel);
-                exit(1);
-            }
-        }
-    }
-
     qdev_prop_set_chr(dev, "chardev", chr);
     qdev_prop_set_uint32(dev, "channel", channel);
     qdev_prop_set_uint32(dev, "rx-size", fifo_size);