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devs: check for no dev when dropping aliases

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When scanning fails to find a device path and
looks for device aliases, check if the device
itself still exists to avoid a potential segfault.
This commit is contained in:
David Teigland 2019-10-16 13:32:28 -05:00
parent 219c4c2ce2
commit f50af80199
1 changed files with 5 additions and 0 deletions
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5
lib/label/label.c
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@ -734,6 +734,11 @@ static int _scan_list(struct cmd_context *cmd, struct dev_filter *f,
retried_open = 1;
dm_list_iterate_items_safe(devl, devl2, &reopen_devs) {
if (!devl->dev) {
dm_list_del(&devl->list);
continue;
}
_drop_bad_aliases(devl->dev);
if (dm_list_empty(&devl->dev->aliases)) {