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authorDave Barach <dave@barachs.net>2020-04-08 10:19:29 -0400
committerNeale Ranns <nranns@cisco.com>2020-04-09 11:45:05 +0000
commit9cbfb4c5136614fc498b9b82d99203f8a5f7cc2e (patch)
tree0c9d6eff213119e85ba54ee574774de2f9e0d2c7 /src
parent1adc7e78ad3eb7e800d0ce3ace56f53ab7aebffe (diff)
mpls: fix typo in error path
if ip4_frag_do_fragment(...) returns an error due to buffer allocation failure, we end up trying to increment a nonexistent counter, which causes an ASSERT failure. The second argument to vlib_error_count is a node index, not a next index... Type: fix Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ib0733b0d35bcb9d3ca6bd789e0c5ddc1561ce724
Diffstat (limited to 'src')
-rw-r--r--src/vnet/mpls/mpls_output.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/vnet/mpls/mpls_output.c b/src/vnet/mpls/mpls_output.c
index 247f531df9f..614ae99aa4e 100644
--- a/src/vnet/mpls/mpls_output.c
+++ b/src/vnet/mpls/mpls_output.c
@@ -249,9 +249,9 @@ mpls_output_inline (vlib_main_t * vm,
hdr0 = vlib_buffer_get_current (p0);
/* Guess we are only writing on simple Ethernet header. */
- vnet_rewrite_one_header (adj0[0], hdr0,
+ vnet_rewrite_one_header (adj0[0], hdr0,
sizeof (ethernet_header_t));
-
+
/* Update packet buffer attributes/set output interface. */
rw_len0 = adj0[0].rewrite_header.data_bytes;
vnet_buffer (p0)->mpls.save_rewrite_length = rw_len0;
@@ -300,10 +300,10 @@ mpls_output_inline (vlib_main_t * vm,
n_left_from -= 1;
to_next += 1;
n_left_to_next -= 1;
-
- if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
+
+ if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
{
- mpls_output_trace_t *tr = vlib_add_trace (vm, node,
+ mpls_output_trace_t *tr = vlib_add_trace (vm, node,
p0, sizeof (*tr));
tr->adj_index = vnet_buffer(p0)->ip.adj_index[VLIB_TX];
tr->flow_hash = vnet_buffer(p0)->ip.flow_hash;
@@ -430,7 +430,7 @@ mpls_frag (vlib_main_t * vm,
/* the size of the MPLS stack */
encap_size = vnet_buffer(p0)->l3_hdr_offset - p0->current_data;
-
+
/* IP fragmentation */
if (is_ip4)
error0 = ip4_frag_do_fragment (vm, pi0,
@@ -467,7 +467,7 @@ mpls_frag (vlib_main_t * vm,
}
else
{
- vlib_error_count (vm, next_index, error0, 1);
+ vlib_error_count (vm, mpls_output_node.index, error0, 1);
vec_add1 (frags, pi0); /* Get rid of the original buffer */
next0 = MPLS_FRAG_NEXT_DROP;
}
@@ -612,9 +612,9 @@ VLIB_NODE_FN (mpls_adj_incomplete_node) (vlib_main_t * vm,
else
{
next0 = MPLS_ADJ_INCOMPLETE_NEXT_IP6;
- }
+ }
- if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
+ if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
{
mpls_adj_incomplete_trace_t *tr =
vlib_add_trace (vm, node, p0, sizeof (*tr));
@@ -664,4 +664,3 @@ VLIB_REGISTER_NODE (mpls_adj_incomplete_node) = {
#undef _
},
};
-