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fix #4299: network : disable_ipv6: fix path checking

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It's possible to have a
/proc/sys/net/ipv6/ directory

but no
/proc/sys/net/ipv6/conf/$iface/disable_ipv6

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2022-10-20 00:24:29 +02:00 committed by Wolfgang Bumiller
parent 7a48f55a8f
commit 2e3fd24d1a
1 changed files with 1 additions and 1 deletions
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2
src/PVE/Network.pm
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@ -210,8 +210,8 @@ my $cond_create_bridge = sub {
sub disable_ipv6 {
my ($iface) = @_;
return if !-d '/proc/sys/net/ipv6'; # ipv6 might be completely disabled
my $file = "/proc/sys/net/ipv6/conf/$iface/disable_ipv6";
return if !-e $file; # ipv6 might be completely disabled
open(my $fh, '>', $file) or die "failed to open $file for writing: $!\n";
print {$fh} "1\n" or die "failed to disable link-local ipv6 for $iface\n";
close($fh);