From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 25 Nov 2007 08:48:16 +0000 (+0000)
Subject:  Fix buffer mux handling for unconnected serial ports
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b76482e76560345c00e7d6c89199ced204a926d2;p=qemu.git

 Fix buffer mux handling for unconnected serial ports


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3737 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/hw/slavio_serial.c b/hw/slavio_serial.c
index 9a8e340153..6705d4429a 100644
--- a/hw/slavio_serial.c
+++ b/hw/slavio_serial.c
@@ -475,7 +475,8 @@ static uint32_t slavio_serial_mem_readb(void *opaque, target_phys_addr_t addr)
         else
             ret = s->rx;
         SER_DPRINTF("Read channel %c, ch %d\n", CHN_C(s), ret);
-        qemu_chr_accept_input(s->chr);
+        if (s->chr)
+            qemu_chr_accept_input(s->chr);
         return ret;
     default:
         break;