[PATCH] libxc: initialise rc to -1 at the beginning of meminit_hvm

[Wei Liu <wei.liu2@citrix.com>]

Variable rc is only set either inside a loop or inside some if
statements. To avoid confuse gcc with stricter setting we set rc to -1
at the beginning.

Reported-by: Doug Goldstein <cardoe@cardoe.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Roger Pau Monne <roger.pau@citrix.com>
---
 tools/libxc/xc_dom_x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libxc/xc_dom_x86.c b/tools/libxc/xc_dom_x86.c
index e13a4aa..c0c01a0 100644
--- a/tools/libxc/xc_dom_x86.c
+++ b/tools/libxc/xc_dom_x86.c
@@ -1258,7 +1258,7 @@ static int meminit_hvm(struct xc_dom_image *dom)
     unsigned long p2m_size;
     unsigned long target_pages = dom->target_pages;
     unsigned long cur_pages, cur_pfn;
-    int rc;
+    int rc = -1;
     xen_capabilities_info_t caps;
     unsigned long stat_normal_pages = 0, stat_2mb_pages = 0, 
         stat_1gb_pages = 0;
-- 
2.1.4


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