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udev-rules: fix possible assertion

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On 'remove' action, event->dev_db_clone is NULL. So, `IMPORT{db}` rule
on 'remove' action triggers assertion. This fixes the issue.
This commit is contained in:
Yu Watanabe 2018-11-15 18:46:23 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 28f38a7634
commit a6da77b71b
1 changed files with 2 additions and 1 deletions
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3
src/udev/udev-rules.c
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@ -2043,7 +2043,8 @@ int udev_rules_apply_to_event(
const char *key;
key = rules_str(rules, cur->key.value_off);
if (sd_device_get_property_value(event->dev_db_clone, key, &val) >= 0)
if (event->dev_db_clone &&
sd_device_get_property_value(event->dev_db_clone, key, &val) >= 0)
device_add_property(dev, key, val);
else if (cur->key.op != OP_NOMATCH)
goto nomatch;