diff options
| author |   Florin Coras <fcoras@cisco.com> | 2020-09-02 20:52:58 -0700 |
|---|---|---|
| committer | Florin Coras <fcoras@cisco.com> | 2020-09-02 20:52:58 -0700 |
| commit | 56230097e2a642740a1a00483e54419edc7fc2ba (patch) | |
| tree | a279facda07219c352b20e62ac8f3ab25eabb612 | |
| parent | 67fe778546683d678015cc0089bbe475cb6a6f22 (diff) | |
vcl: handle svm fifo write failure
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I4b132cad8ff906ef24846cc43935ccfd6aa7b4ec
| -rw-r--r-- | src/vcl/vppcom.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index 71578b076d2..9174e5d6d2f 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -2172,7 +2172,9 @@ vppcom_session_write_inline (vcl_worker_t * wrk, vcl_session_t * s, void *buf, app_send_io_evt_to_vpp (s->vpp_evt_q, s->tx_fifo->master_session_index, et, SVM_Q_WAIT); - ASSERT (n_write > 0); + /* The underlying fifo segment can run out of memory */ + if (PREDICT_FALSE (n_write < 0)) + return VPPCOM_EAGAIN; VDBG (2, "session %u [0x%llx]: wrote %d bytes", s->session_index, s->vpp_handle, n_write); |