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ethtool-util: do not try to enable unsupported WoL options

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This commit is contained in:
Yu Watanabe 2021-10-06 21:44:02 +09:00
parent b4b2a49287
commit 20274ab86a
1 changed files with 10 additions and 0 deletions
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10
src/shared/ethtool-util.c
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@ -425,6 +425,16 @@ int ethtool_set_wol(int *ethtool_fd, const char *ifname, uint32_t wolopts) {
if (ioctl(*ethtool_fd, SIOCETHTOOL, &ifr) < 0)
return -errno;
if ((wolopts & ~ecmd.supported) != 0) {
_cleanup_free_ char *str = NULL;
(void) wol_options_to_string_alloc(wolopts & ~ecmd.supported, &str);
log_debug("Network interface %s does not support requested Wake on LAN option(s) \"%s\", ignoring.",
ifname, strna(str));
wolopts &= ecmd.supported;
}
UPDATE(ecmd.wolopts, wolopts, need_update);
if (!need_update)