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authorSteven Luong <sluong@cisco.com>2021-03-03 19:03:38 -0800
committerDamjan Marion <dmarion@me.com>2021-03-04 10:58:35 +0000
commit8d462190587f78658c8a9e33ed4f35c2d873965f (patch)
treef420d3488930fe32d27e59cb8cc1323516170a8c /src
parentb4704f2570fb2484b3085c8d25d0c850cc3fc77f (diff)
bonding: coverity woe in bond_dev_class fuction
Coverity complans the line h = hashes; uses uninitialized variable if the prior ASSERT statement is hit. ASSERT is compiled out coverity as well as in release image. So the complain is legitimate. Change the ASSERT to drop the frame and log an error instead. Type: fix Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: Ibf0c204fe3626afca69ea84484e606566cf3244c
Diffstat (limited to 'src')
-rw-r--r--src/vnet/bonding/device.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/src/vnet/bonding/device.c b/src/vnet/bonding/device.c
index e14d08a2f9e..c69d5a40145 100644
--- a/src/vnet/bonding/device.c
+++ b/src/vnet/bonding/device.c
@@ -28,10 +28,11 @@
#include <vnet/ip-neighbor/ip4_neighbor.h>
#include <vnet/ip-neighbor/ip6_neighbor.h>
-#define foreach_bond_tx_error \
- _(NONE, "no error") \
- _(IF_DOWN, "interface down") \
- _(NO_MEMBER, "no member")
+#define foreach_bond_tx_error \
+ _ (NONE, "no error") \
+ _ (IF_DOWN, "interface down") \
+ _ (BAD_LB_MODE, "bad load balance mode") \
+ _ (NO_MEMBER, "no member")
typedef enum
{
@@ -762,7 +763,15 @@ VNET_DEVICE_CLASS_TX_FN (bond_dev_class) (vlib_main_t * vm,
else if (bif->lb == BOND_LB_RR)
bond_tx_inline (vm, bif, bufs, hashes, n_left, n_members, BOND_LB_RR);
else
- ASSERT (0);
+ {
+ vlib_buffer_free (vm, vlib_frame_vector_args (frame), frame->n_vectors);
+ vlib_increment_simple_counter (
+ vnet_main.interface_main.sw_if_counters + VNET_INTERFACE_COUNTER_DROP,
+ thread_index, bif->sw_if_index, frame->n_vectors);
+ vlib_error_count (vm, node->node_index, BOND_TX_ERROR_BAD_LB_MODE,
+ frame->n_vectors);
+ return frame->n_vectors;
+ }
/* calculate port out of hash */
h = hashes;