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[Xen-devel] [PATCH 2/3] tools/libxl/libxl_cpuid.c: Fix leak of resstr on error path



From: Pramod Devendra <pramod.devendra@xxxxxxxxxx>

Signed-off-by: Pramod Devendra <pramod.devendra@xxxxxxxxxx>
CC: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
CC: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
CC: Ian Campbell <ian.campbell@xxxxxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_cpuid.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/libxl/libxl_cpuid.c b/tools/libxl/libxl_cpuid.c
index b0bdc9d..c66e912 100644
--- a/tools/libxl/libxl_cpuid.c
+++ b/tools/libxl/libxl_cpuid.c
@@ -223,9 +223,6 @@ int libxl_cpuid_parse_config(libxl_cpuid_policy_list 
*cpuid, const char* str)
     }
     entry = cpuid_find_match(cpuid, flag->leaf, flag->subleaf);
     resstr = entry->policy[flag->reg - 1];
-    if (resstr == NULL) {
-        resstr = strdup("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
-    }
     num = strtoull(val, &endptr, 0);
     flags[flag->length] = 0;
     if (endptr != val) {
@@ -242,6 +239,11 @@ int libxl_cpuid_parse_config(libxl_cpuid_policy_list 
*cpuid, const char* str)
             return 3;
         }
     }
+
+    if (resstr == NULL) {
+        resstr = strdup("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+    }
+
     /* the family and model entry is potentially split up across
      * two fields in Fn0000_0001_EAX, so handle them here separately.
      */
-- 
1.7.10.4


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