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Check return value from reading name_assign_type attr

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This file won't exist on kernels earlier than 3.17.
This commit is contained in:
Dave Reisner
2014-12-06 13:34:27 -05:00
committed by Tom Gundersen
parent 8c12bb073d
commit 285760fedf
1 changed files with 2 additions and 1 deletions
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3
src/network/networkd-network.c
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@ -231,7 +231,8 @@ int network_get(Manager *manager, struct udev_device *device,
if (network->match_name) {
attr = udev_device_get_sysattr_value(device, "name_assign_type");
(void)safe_atou8(attr, &name_assign_type);
if (attr)
(void)safe_atou8(attr, &name_assign_type);
if (name_assign_type == NET_NAME_ENUM)
log_warning("%-*s: found matching network '%s', based on potentially unstable ifname",