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sd-dhcp: refuse to set iaid if we cannot find the interface
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parent
8d71f2b3a6
commit
af7b405dff
@ -163,34 +163,37 @@ int dhcp_identifier_set_iaid(
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bool legacy_unstable_byteorder,
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bool use_mac,
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void *_id) {
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/* name is a pointer to memory in the sd_device struct, so must
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* have the same scope */
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_cleanup_(sd_device_unrefp) sd_device *device = NULL;
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const char *name = NULL;
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uint64_t id;
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uint32_t id32;
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uint64_t id;
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int r;
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if (path_is_read_only_fs("/sys") <= 0 && !use_mac) {
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/* udev should be around */
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if (sd_device_new_from_ifindex(&device, ifindex) >= 0) {
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r = sd_device_get_is_initialized(device);
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if (r < 0)
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return r;
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if (r == 0)
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/* not yet ready */
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return -EBUSY;
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r = sd_device_new_from_ifindex(&device, ifindex);
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if (r < 0)
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return r;
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r = device_is_renaming(device);
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if (r < 0)
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return r;
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if (r > 0)
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/* device is under renaming */
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return -EBUSY;
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r = sd_device_get_is_initialized(device);
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if (r < 0)
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return r;
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if (r == 0)
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/* not yet ready */
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return -EBUSY;
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name = net_get_name_persistent(device);
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}
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r = device_is_renaming(device);
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if (r < 0)
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return r;
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if (r > 0)
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/* device is under renaming */
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return -EBUSY;
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name = net_get_name_persistent(device);
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}
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if (name)
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