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[Qemu-devel] [PATCH 2/3] memory: Do not print empty PIO root
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From: |
Jan Kiszka |
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Subject: |
[Qemu-devel] [PATCH 2/3] memory: Do not print empty PIO root |
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Date: |
Tue, 27 Sep 2011 15:00:38 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Signed-off-by: Jan Kiszka <address@hidden>
---
memory.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/memory.c b/memory.c
index 4c190e5..24c5abd 100644
--- a/memory.c
+++ b/memory.c
@@ -1414,7 +1414,10 @@ void mtree_info(fprintf_function mon_printf, void *f)
g_free(ml2);
}
- QTAILQ_INIT(&ml_head);
- mon_printf(f, "I/O\n");
- mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
+ if (address_space_io.root &&
+ !QTAILQ_EMPTY(&address_space_io.root->subregions)) {
+ QTAILQ_INIT(&ml_head);
+ mon_printf(f, "I/O\n");
+ mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
+ }
}
--
1.7.3.4
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