CNB96: arp: Random clean up and RCU conversion for ioctl(SIOCGARP)

Ivan Vecerarequested to merge
ivecera/centos-stream-9:RHEL-68117 into main

JIRA: https://issues.redhat.com/browse/RHEL-68117

Commits:

42033d0cfc86 ("arp: Move ATF_COM setting in arp_req_set().")
0592367424bb ("arp: Validate netmask earlier for SIOCDARP and SIOCSARP in arp_ioctl().")
f8696133f6aa ("arp: Factorise ip_route_output() call in arp_req_set() and arp_req_delete().")
51e9ba48d487 ("arp: Remove a nest in arp_req_get().")
a428bfc77a4d ("arp: Get dev after calling arp_req_(delete|set|get)().")
d0358c1a37db ("net: Remove unused declaration dev_restart()")
0840556e5a3a ("net: Protect dev->name by seqlock.")
bf4ea58874df ("arp: Convert ioctl(SIOCGARP) to RCU.")
62e58ddb1465 ("net: add softirq safety to netdev_rename_lock")

Signed-off-by: Ivan Vecera ivecera@redhat.com

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