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/Linux-v4.19/net/core/
Ddev.c1262 struct dev_ifalias *new_alias = NULL; in dev_set_alias() local
1268 new_alias = kmalloc(sizeof(*new_alias) + len + 1, GFP_KERNEL); in dev_set_alias()
1269 if (!new_alias) in dev_set_alias()
1272 memcpy(new_alias->ifalias, alias, len); in dev_set_alias()
1273 new_alias->ifalias[len] = 0; in dev_set_alias()
1277 rcu_swap_protected(dev->ifalias, new_alias, in dev_set_alias()
1281 if (new_alias) in dev_set_alias()
1282 kfree_rcu(new_alias, rcuhead); in dev_set_alias()