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[Qemu-devel] [PATCH 2/2] niagara: check if a serial port is available


From: Artyom Tarasenko
Subject: [Qemu-devel] [PATCH 2/2] niagara: check if a serial port is available
Date: Mon, 23 Jan 2017 22:22:53 +0100

Reported-by:Markus Armbruster <address@hidden>
Signed-off-by: Artyom Tarasenko <address@hidden>
---
 hw/sparc64/niagara.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hw/sparc64/niagara.c b/hw/sparc64/niagara.c
index e945b5a..a14724f 100644
--- a/hw/sparc64/niagara.c
+++ b/hw/sparc64/niagara.c
@@ -154,9 +154,10 @@ static void niagara_init(MachineState *machine)
             exit(1);
         }
     }
-    serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
-                   serial_hds[0], DEVICE_BIG_ENDIAN);
-
+    if (serial_hds[0]) {
+        serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
+                       serial_hds[0], DEVICE_BIG_ENDIAN);
+    }
     empty_slot_init(NIAGARA_IOBBASE, NIAGARA_IOBSIZE);
     sun4v_rtc_init(NIAGARA_RTC_BASE);
 }
-- 
2.7.2




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