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-rw-r--r--src/vnet/feature/feature.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/vnet/feature/feature.c b/src/vnet/feature/feature.c
index 6756d0d4ea3..89a1951663e 100644
--- a/src/vnet/feature/feature.c
+++ b/src/vnet/feature/feature.c
@@ -186,7 +186,7 @@ vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index,
vnet_feature_main_t *fm = &feature_main;
vnet_feature_config_main_t *cm;
i16 feature_count;
- u32 ci;
+ u32 old_ci, ci;
if (arc_index == (u8) ~ 0)
return VNET_API_ERROR_INVALID_VALUE;
@@ -196,7 +196,7 @@ vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index,
cm = &fm->feature_config_mains[arc_index];
vec_validate_init_empty (cm->config_index_by_sw_if_index, sw_if_index, ~0);
- ci = cm->config_index_by_sw_if_index[sw_if_index];
+ old_ci = ci = cm->config_index_by_sw_if_index[sw_if_index];
vec_validate (fm->feature_count_by_sw_if_index[arc_index], sw_if_index);
feature_count = fm->feature_count_by_sw_if_index[arc_index][sw_if_index];
@@ -209,6 +209,10 @@ vnet_feature_enable_disable_with_index (u8 arc_index, u32 feature_index,
: vnet_config_del_feature)
(vlib_get_main (), &cm->config_main, ci, feature_index, feature_config,
n_feature_config_bytes);
+ if (old_ci == ci)
+ {
+ return 0;
+ }
cm->config_index_by_sw_if_index[sw_if_index] = ci;
/* update feature count */