Fix potential double-free of so->answer.

NB: dns_so_submit calls dns_so_reset twice (once at start, once at end
on error). As so_reset will free so->answer the first time through,
add validity check of so->answer for the second iteration.

Signed-off-by: Chris Michael <cp.michael@samsung.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/ecore_con/dns.c b/src/lib/ecore_con/dns.c
index 7a0d5e1..b4564e5 100644
--- a/src/lib/ecore_con/dns.c
+++ b/src/lib/ecore_con/dns.c
@@ -5525,7 +5525,7 @@ void dns_so_close(struct dns_socket *so) {
 
 
 void dns_so_reset(struct dns_socket *so) {
-        free(so->answer);
+        if (so->answer) free(so->answer);
 
         memset(&so->state, '\0', sizeof *so - offsetof(struct dns_socket, state));
 } /* dns_so_reset() */