Changeset d2e0af47 in mainline for uspace/lib/c/generic/inet/tcp.c

Timestamp:

2019-12-05T17:39:17Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ad211c8

Parents:

c6ac9a55

Message:

Fix exchange leak when async write fails

This lead to deadlock on the session mutex

File:

• uspace/lib/c/generic/inet/tcp.c (modified) (1 diff)

uspace/lib/c/generic/inet/tcp.c

@@ -455 +455 @@
         exch = async_exchange_begin(conn->tcp->sess);
         aid_t req = async_send_1(exch, TCP_CONN_SEND, conn->id, NULL);
-
         rc = async_data_write_start(exch, data, bytes);
+        async_exchange_end(exch);
+
         if (rc != EOK) {
                 async_forget(req);
                 return rc;
         }
-
-        async_exchange_end(exch);
 
         if (rc != EOK) {