va_parseConfig: still need to check env_value

env_value may be NULL which means the caller doens't
care the value of the environment variable, just check
if it is set.

Signed-off-by: Austin Yuan <shengquan.yuan@intel.com>
(cherry picked from commit 2e11d2273b2974a7d1959cbcaf8db5b8e9aedd9e)

1 files changed, 2 insertions, 1 deletions

diff --git a/va/va.c b/va/va.c
index 6210112..8031092 100644
--- a/va/va.c
+++ b/va/va.c
@@ -88,7 +88,8 @@ int va_parseConfig(char *env, char *env_value)
     /* no setting in config file, use env setting */
     value = getenv(env);
     if (value) {
-        strncpy(env_value, value, 1024);
+        if (env_value)
+            strncpy(env_value, value, 1024);
         return 0;
     }