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authorSteven <sluong@cisco.com>2018-09-26 10:14:18 -0700
committerDamjan Marion <dmarion@me.com>2018-09-26 22:51:50 +0000
commit0296efdf587efa4eadd7b314c374aba15833a11d (patch)
treeff47e0b6d9d48420b56faef8c2d59ed09638beed
parentfae833799f0c3398a18d1c0823e395345cdb9aa1 (diff)
vmxnet3: delete interface causes a crash
Need to free the buffers starting from ring->consume+1, not ring->consume Make use of the cool API vlib_buffer_free_from_ring Fix a memory leak in vmxnet3_txq_init Change-Id: I0a539ea75211408d84ce433d97a0a0aec5a9618d Signed-off-by: Steven <sluong@cisco.com>
-rw-r--r--src/plugins/vmxnet3/vmxnet3.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c
index 2ff6d7969d2..9f2b8a8c596 100644
--- a/src/plugins/vmxnet3/vmxnet3.c
+++ b/src/plugins/vmxnet3/vmxnet3.c
@@ -274,6 +274,7 @@ vmxnet3_txq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
if (txq->lock == 0)
clib_spinlock_init (&txq->lock);
vd->flags |= VMXNET3_DEVICE_F_SHARED_TXQ_LOCK;
+ return 0;
}
vec_validate_aligned (vd->txqs, qid, CLIB_CACHE_LINE_BYTES);
@@ -623,15 +624,9 @@ vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * vd)
vmxnet3_rx_ring *ring;
ring = &rxq->rx_ring[rid];
- desc_idx = ring->consume;
- while (ring->fill)
- {
- desc_idx &= mask;
- bi = ring->bufs[desc_idx];
- vlib_buffer_free_no_next (vm, &bi, 1);
- ring->fill--;
- desc_idx++;
- }
+ desc_idx = (ring->consume + 1) & mask;
+ vlib_buffer_free_from_ring (vm, ring->bufs, desc_idx, rxq->size,
+ ring->fill);
vec_free (ring->bufs);
vlib_physmem_free (vm, vmxm->physmem_region, rxq->rx_desc[rid]);
}