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authorLinus Nordberg <linus@nordu.net>2011-03-14 00:45:18 +0100
committerLinus Nordberg <linus@nordu.net>2011-03-14 00:45:18 +0100
commit2e315fe5273c899bad4de5f82af9e704edb0bda5 (patch)
treef3de9ff0cd3c8c73d1d45e1983d25f735538b908
parentc739469b9208ff8eb8bf9833ba4f0440cd7fcc16 (diff)
Avoid potential double free.
(udp_init): Set conn.rev = NULL in fault case.
-rw-r--r--lib/udp.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/udp.c b/lib/udp.c
index 911616d..c04821d 100644
--- a/lib/udp.c
+++ b/lib/udp.c
@@ -155,7 +155,10 @@ udp_init (struct rs_connection *conn, struct rs_packet *pkt)
if (!conn->rev || !conn->wev)
{
if (conn->rev)
- event_free (conn->rev);
+ {
+ event_free (conn->rev);
+ conn->rev = NULL;
+ }
/* ENOMEM _or_ EINVAL but EINVAL only if we use EV_SIGNAL, at
least for now (libevent-2.0.5). */
return rs_err_conn_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);