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From: Stefan Reiter <s.reiter@proxmox.com>
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Date: Wed, 21 Apr 2021 13:15:30 +0200
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Subject: [pve-devel] [PATCH RESEND common 01/10] JSONSchema: don't
cycle-check 'download' responses
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Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
---
src/PVE/JSONSchema.pm | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/PVE/JSONSchema.pm b/src/PVE/JSONSchema.pm
index 3febc1c..0b2db2d 100644
--- a/src/PVE/JSONSchema.pm
+++ b/src/PVE/JSONSchema.pm
@@ -1183,7 +1183,10 @@ sub validate {
# we can disable that in the final release
# todo: is there a better/faster way to detect cycles?
my $cycles = 0;
- find_cycle($instance, sub { $cycles = 1 });
+ # 'download' responses can contain a filehandle, don't cycle-check that as
+ # it produces a warning
+ my $is_download = ref($instance) eq 'HASH' && exists($instance->{download});
+ find_cycle($instance, sub { $cycles = 1 }) if !$is_download;
if ($cycles) {
add_error($errors, undef, "data structure contains recursive cycles");
} elsif ($schema) {
--
2.20.1