[pve-devel] [PATCH common 2/2] interfaces: improve bridge_fd handling

[Fabian Grünbichler]

and ignore values with a warning that are outside of the kernels
expected range.

Signed-off-by: Fabian Grünbichler <f.gruenbichler at proxmox.com>
---
 src/PVE/INotify.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index 4f682be..ad45cd2 100644
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -1265,8 +1265,10 @@ sub __interface_to_string {
 
 	$v = defined($d->{bridge_fd}) ? $d->{bridge_fd} : 0;
 	# 0 is only allowed when STP is disabled
-	if ($v || $no_stp) {
+	if ($no_stp || ($v >= 2 && $v <= 30)) {
 	    $raw .= "\tbridge-fd $v\n";
+	} else {
+	    warn "'$iface': not setting 'bridge_fd' to value '$v' outside of allowed range 2-30\n";
 	}
 	$done->{bridge_fd} = 1;
 
-- 
2.30.2