don't call freeaddinfo(NULL)

Signed-off-by: Vitaly Magerya <vmagerya@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/networking/nslookup.c b/networking/nslookup.c
index dcac7379e..67fc01547 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -66,7 +66,7 @@ static int print_host(const char *hostname, const char *header)
         // hint.ai_flags = AI_CANONNAME;
         rc = getaddrinfo(hostname, NULL /*service*/, &hint, &result);
 
-        if (!rc) {
+        if (rc == 0) {
                 struct addrinfo *cur = result;
                 unsigned cnt = 0;
 
@@ -94,7 +94,7 @@ static int print_host(const char *hostname, const char *header)
                 bb_error_msg("can't resolve '%s'", hostname);
 #endif
         }
-        if (ENABLE_FEATURE_CLEAN_UP)
+        if (ENABLE_FEATURE_CLEAN_UP && result)
                 freeaddrinfo(result);
         return (rc != 0);
 }