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[Xen-devel] [PATCH] libxl: Initialize valid_devs in output_topologyinfo()

Commit e78e8b9bb649 ("libxl: Add interface for querying hypervisor
about PCI topology") neglected to initialize valid_devs. This
may result in not printing a message to console if no IO topology
information is available and, more importantly, may break non-debug
builds on some versions of gcc.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Reported-by: Olaf Hering <olaf@xxxxxxxxx>
 tools/libxl/xl_cmdimpl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 373aa37..6d60ce4 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -5423,7 +5423,7 @@ static void output_topologyinfo(void)
     libxl_cputopology *cpuinfo;
     int i, nr;
     libxl_pcitopology *pciinfo;
-    int valid_devs;
+    int valid_devs = 0;
     cpuinfo = libxl_get_cpu_topology(ctx, &nr);

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