public inbox for pve-devel@lists.proxmox.com
 help / color / mirror / Atom feed
* [pve-devel] [PATCH storage] file_size_info: handle dangling symlinks
@ 2020-10-02 11:55 Fabian Grünbichler
  2020-10-05 10:52 ` [pve-devel] applied: " Thomas Lamprecht
  0 siblings, 1 reply; 2+ messages in thread
From: Fabian Grünbichler @ 2020-10-02 11:55 UTC (permalink / raw)
  To: pve-devel

and other stat failure modes.

this method returns undef if 'qemu-img info ...' fails to return
information, so callers must handle this already.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---

Notes:
    https://forum.proxmox.com/threads/local-storage-unable-to-display-content.76741

 PVE/Storage/Plugin.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index e6cd99c..63f68da 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -783,6 +783,12 @@ sub file_size_info {
 
     my $st = File::stat::stat($filename);
 
+    if (!defined($st)) {
+	my $extramsg = -l $filename ? ' - dangling symlink?' : '';
+	warn "failed to stat '$filename'$extramsg\n";
+	return undef;
+    }
+
     if (S_ISDIR($st->mode)) {
 	return wantarray ? (0, 'subvol', 0, undef, $st->ctime) : 1;
     }
-- 
2.20.1





^ permalink raw reply	[flat|nested] 2+ messages in thread

* [pve-devel] applied: [PATCH storage] file_size_info: handle dangling symlinks
  2020-10-02 11:55 [pve-devel] [PATCH storage] file_size_info: handle dangling symlinks Fabian Grünbichler
@ 2020-10-05 10:52 ` Thomas Lamprecht
  0 siblings, 0 replies; 2+ messages in thread
From: Thomas Lamprecht @ 2020-10-05 10:52 UTC (permalink / raw)
  To: Proxmox VE development discussion, Fabian Grünbichler

On 02.10.20 13:55, Fabian Grünbichler wrote:
> and other stat failure modes.
> 
> this method returns undef if 'qemu-img info ...' fails to return
> information, so callers must handle this already.
> 
> Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
> ---
> 
> Notes:
>     https://forum.proxmox.com/threads/local-storage-unable-to-display-content.76741
> 
>  PVE/Storage/Plugin.pm | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
>

applied, thanks!





^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-10-05 10:52 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-02 11:55 [pve-devel] [PATCH storage] file_size_info: handle dangling symlinks Fabian Grünbichler
2020-10-05 10:52 ` [pve-devel] applied: " Thomas Lamprecht

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Service provided by Proxmox Server Solutions GmbH | Privacy | Legal