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net: microchip: vcap: use kmemdup() to allocate memory 

Use kmemdup() helper instead of open-coding to simplify
the code when allocating newckf and newcaf.

Generated by: scripts/coccinelle/api/memdup.cocci

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Link: https://lore.kernel.org/r/20230119092210.3607634-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yang Yingliang 2023-01-19 17:22:10 +08:00 committed by Jakub Kicinski
parent bad5532ecf
commit 5e64f59a3c
1 changed files with 2 additions and 4 deletions
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6
drivers/net/ethernet/microchip/vcap/vcap_api.c
View File

@ -1000,18 +1000,16 @@ static struct vcap_rule_internal *vcap_dup_rule(struct vcap_rule_internal *ri,
return duprule;
list_for_each_entry(ckf, &ri->data.keyfields, ctrl.list) {
newckf = kzalloc(sizeof(*newckf), GFP_KERNEL);
newckf = kmemdup(ckf, sizeof(*newckf), GFP_KERNEL);
if (!newckf)
return ERR_PTR(-ENOMEM);
memcpy(newckf, ckf, sizeof(*newckf));
list_add_tail(&newckf->ctrl.list, &duprule->data.keyfields);
}
list_for_each_entry(caf, &ri->data.actionfields, ctrl.list) {
newcaf = kzalloc(sizeof(*newcaf), GFP_KERNEL);
newcaf = kmemdup(caf, sizeof(*newcaf), GFP_KERNEL);
if (!newcaf)
return ERR_PTR(-ENOMEM);
memcpy(newcaf, caf, sizeof(*newcaf));
list_add_tail(&newcaf->ctrl.list, &duprule->data.actionfields);
}