Fix a "Use of uninitialized value in numeric ne (!=)" warning when
syswrite returns undef when trying to change the apparmor profile.
Signed-off-by: Filip Schauer <f.scha...@proxmox.com>
---
src/PVE/LXC.pm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index 7db4833..88a9d6f 100644
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -1975,7 +1975,8 @@ sub mountpoint_hotplug :prototype($$$$$) {
# Now switch our apparmor profile before mounting:
my $data = 'changeprofile pve-container-mounthotplug';
- if (syswrite($aa_fd, $data, length($data)) != length($data)) {
+ my $data_written = syswrite($aa_fd, $data, length($data));
+ if (!defined($data_written) || $data_written != length($data)) {
die "failed to change apparmor profile: $!\n";
}
# Check errors on close as well:
--
2.39.2
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