bgpd: Ensure virt->vrfs is valid

Move the list_delete_and_null of the virt->vrfs code to
the actual deletion function to ensure proper lifecycle.
This assumption allows us to know that irt->vrfs is always
true so remove the NULL check on it.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-05-22 10:54:20 -04:00
parent b1ab0dfe20
commit 5d9cbca226

View File

@ -164,6 +164,7 @@ static void vrf_import_rt_free(struct vrf_irt_node *irt)
}
hash_release(bgp_def->vrf_import_rt_hash, irt);
list_delete_and_null(&irt->vrfs);
XFREE(MTYPE_BGP_EVPN_VRF_IMPORT_RT, irt);
}
@ -394,7 +395,6 @@ static void unmap_vrf_from_rt(struct bgp *bgp_vrf, struct vrf_irt_node *irt)
/* Delete VRF from list for this RT. */
listnode_delete(irt->vrfs, bgp_vrf);
if (!listnode_head(irt->vrfs)) {
list_delete_and_null(&irt->vrfs);
vrf_import_rt_free(irt);
}
}
@ -2108,7 +2108,7 @@ static int is_route_matching_for_vrf(struct bgp *bgp_vrf, struct bgp_info *ri)
/* See if this RT matches specified VNIs import RTs */
irt = lookup_vrf_import_rt(eval);
if (irt && irt->vrfs)
if (irt)
if (is_vrf_present_in_irt_vrfs(irt->vrfs, bgp_vrf))
return 1;
@ -2126,7 +2126,7 @@ static int is_route_matching_for_vrf(struct bgp *bgp_vrf, struct bgp_info *ri)
mask_ecom_global_admin(&eval_tmp, eval);
irt = lookup_vrf_import_rt(&eval_tmp);
}
if (irt && irt->vrfs)
if (irt)
if (is_vrf_present_in_irt_vrfs(irt->vrfs, bgp_vrf))
return 1;
}
@ -2555,7 +2555,7 @@ static int install_uninstall_evpn_route(struct bgp *bgp, afi_t afi, safi_t safi,
* into l3vni/vrf table)
*/
vrf_irt = lookup_vrf_import_rt(eval);
if (vrf_irt && vrf_irt->vrfs)
if (vrf_irt)
install_uninstall_route_in_vrfs(bgp, afi, safi, evp, ri,
vrf_irt->vrfs, import);
@ -2578,7 +2578,7 @@ static int install_uninstall_evpn_route(struct bgp *bgp, afi_t afi, safi_t safi,
if (irt)
install_uninstall_route_in_vnis(bgp, afi, safi, evp, ri,
irt->vnis, import);
if (vrf_irt && vrf_irt->vrfs)
if (vrf_irt)
install_uninstall_route_in_vrfs(bgp, afi, safi, evp, ri,
vrf_irt->vrfs, import);
}