diff options
Diffstat (limited to 'bgpd/bgp_ecommunity.c')
| -rw-r--r-- | bgpd/bgp_ecommunity.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/bgpd/bgp_ecommunity.c b/bgpd/bgp_ecommunity.c index 7f6f61e141..923c9b0d7e 100644 --- a/bgpd/bgp_ecommunity.c +++ b/bgpd/bgp_ecommunity.c @@ -1294,15 +1294,19 @@ bool ecommunity_del_val(struct ecommunity *ecom, struct ecommunity_val *eval) /* Delete the selected value */ ecom->size--; - p = XMALLOC(MTYPE_ECOMMUNITY_VAL, ecom->size * ecom->unit_size); - if (c != 0) - memcpy(p, ecom->val, c * ecom->unit_size); - if ((ecom->size - c) != 0) - memcpy(p + (c)*ecom->unit_size, - ecom->val + (c + 1) * ecom->unit_size, - (ecom->size - c) * ecom->unit_size); - XFREE(MTYPE_ECOMMUNITY_VAL, ecom->val); - ecom->val = p; + if (ecom->size) { + p = XMALLOC(MTYPE_ECOMMUNITY_VAL, ecom->size * ecom->unit_size); + if (c != 0) + memcpy(p, ecom->val, c * ecom->unit_size); + if ((ecom->size - c) != 0) + memcpy(p + (c)*ecom->unit_size, + ecom->val + (c + 1) * ecom->unit_size, + (ecom->size - c) * ecom->unit_size); + XFREE(MTYPE_ECOMMUNITY_VAL, ecom->val); + ecom->val = p; + } else + ecom->val = NULL; + return true; } |