BUG/MINOR: contrib/mod_defender: close the va_list argp before return

Fix the case when the va_list argp could be left open if the function
vsnprintf() returned a negative value.

diff --git a/contrib/mod_defender/defender.c b/contrib/mod_defender/defender.c
index c86d25e..1734176 100644 (file)
--- a/contrib/mod_defender/defender.c
+++ b/contrib/mod_defender/defender.c
@@ -149,9 +149,10 @@ static char *defender_printf(apr_pool_t *pool, const char *fmt, ...)
 
        va_start(argp, fmt);
        len = vsnprintf(NULL, 0, fmt, argp);
+       va_end(argp);
+
        if (len < 0)
                return NULL;
-       va_end(argp);
 
        if (!(dst = apr_pcalloc(pool, len + 1)))
                return NULL;