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udev/net: check if the requested SR-IOV virtual function exists before configuring it

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This commit is contained in:
Yu Watanabe 2022-01-15 07:03:20 +09:00
parent 41ce9d769d
commit 252e96eaa9
1 changed files with 19 additions and 0 deletions
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19
src/udev/net/link-config.c
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@ -871,6 +871,7 @@ static int sr_iov_configure(Link *link, sd_netlink **rtnl, SRIOV *sr_iov) {
static int link_apply_sr_iov_config(Link *link, sd_netlink **rtnl) {
SRIOV *sr_iov;
uint32_t n;
int r;
assert(link);
@ -881,7 +882,25 @@ static int link_apply_sr_iov_config(Link *link, sd_netlink **rtnl) {
if (r < 0)
log_link_warning_errno(link, r, "Failed to set the number of SR-IOV virtual functions, ignoring: %m");
if (ordered_hashmap_isempty(link->config->sr_iov_by_section))
return 0;
r = sr_iov_get_num_vfs(link->device, &n);
if (r < 0) {
log_link_warning_errno(link, r, "Failed to get the number of SR-IOV virtual functions, ignoring [SR-IOV] sections: %m");
return 0;
}
if (n == 0) {
log_link_warning(link, "No SR-IOV virtual function exists, ignoring [SR-IOV] sections: %m");
return 0;
}
ORDERED_HASHMAP_FOREACH(sr_iov, link->config->sr_iov_by_section) {
if (sr_iov->vf >= n) {
log_link_warning(link, "SR-IOV virtual function %"PRIu32" does not exist, ignoring.", sr_iov->vf);
continue;
}
r = sr_iov_configure(link, rtnl, sr_iov);
if (r < 0)
log_link_warning_errno(link, r,