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core: detect_container() may return negative errno

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Yu Watanabe 2020-12-15 01:13:32 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 23d8003bb6
commit bcdb3b7d50
1 changed files with 1 additions and 1 deletions
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src/core/bpf-firewall.c
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@ -893,7 +893,7 @@ void emit_bpf_firewall_warning(Unit *u) {
static bool warned = false;
if (!warned) {
bool quiet = bpf_firewall_unsupported_reason == -EPERM && detect_container();
bool quiet = bpf_firewall_unsupported_reason == -EPERM && detect_container() > 0;
log_unit_full_errno(u, quiet ? LOG_DEBUG : LOG_WARNING, bpf_firewall_unsupported_reason,
"unit configures an IP firewall, but %s.\n"