ehea: Fix mem allocations which require page alignment

PAGE_SIZE allocations via slab are not guaranteed to be page-aligned. Fixed
all memory allocations where page alignment is required by firmware.

Signed-off-by: Thomas Klein <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ehea/ehea_main.c

···
 
 	memset(stats, 0, sizeof(*stats));
 
-	cb2 = kzalloc(PAGE_SIZE, GFP_ATOMIC);
+	cb2 = (void *)get_zeroed_page(GFP_ATOMIC);
 	if (!cb2) {
 		ehea_error("no mem for cb2");
 		goto out;
···
 	stats->rx_packets = rx_packets;
 
 out_herr:
-	kfree(cb2);
+	free_page((unsigned long)cb2);
 out:
 	return stats;
 }
···
 	struct hcp_ehea_port_cb0 *cb0;
 
 	/* may be called via ehea_neq_tasklet() */
-	cb0 = kzalloc(PAGE_SIZE, GFP_ATOMIC);
+	cb0 = (void *)get_zeroed_page(GFP_ATOMIC);
 	if (!cb0) {
 		ehea_error("no mem for cb0");
 		ret = -ENOMEM;
···
 out_free:
 	if (ret || netif_msg_probe(port))
 		ehea_dump(cb0, sizeof(*cb0), "ehea_sense_port_attr");
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 out:
 	return ret;
 }
···
 	u64 hret;
 	int ret = 0;
 
-	cb4 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb4 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb4) {
 		ehea_error("no mem for cb4");
 		ret = -ENOMEM;
···
 	if (!prop_carrier_state || (port->phy_link == EHEA_PHY_LINK_UP))
 		netif_carrier_on(port->netdev);
 
-	kfree(cb4);
+	free_page((unsigned long)cb4);
 out:
 	return ret;
 }
···
 	struct hcp_ehea_port_cb0 *cb0;
 
 	ret = -ENOMEM;
-	cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb0 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb0)
 		goto out;
 
···
 	ret = 0;
 
 out_free:
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 out:
 	return ret;
 }
···
 		goto out;
 	}
 
-	cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb0 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb0) {
 		ehea_error("no mem for cb0");
 		ret = -ENOMEM;
···
 	ehea_update_bcmc_registrations();
 	spin_unlock(&ehea_bcmc_regs.lock);
 out_free:
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 out:
 	return ret;
 }
···
 	if ((enable && port->promisc) || (!enable && !port->promisc))
 		return;
 
-	cb7 = kzalloc(PAGE_SIZE, GFP_ATOMIC);
+	cb7 = (void *)get_zeroed_page(GFP_ATOMIC);
 	if (!cb7) {
 		ehea_error("no mem for cb7");
 		goto out;
···
 
 	port->promisc = enable;
 out:
-	kfree(cb7);
+	free_page((unsigned long)cb7);
 	return;
 }
 
···
 
 	port->vgrp = grp;
 
-	cb1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb1 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb1) {
 		ehea_error("no mem for cb1");
 		goto out;
···
 	if (hret != H_SUCCESS)
 		ehea_error("modify_ehea_port failed");
 
-	kfree(cb1);
+	free_page((unsigned long)cb1);
 out:
 	return;
 }
···
 	int index;
 	u64 hret;
 
-	cb1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb1 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb1) {
 		ehea_error("no mem for cb1");
 		goto out;
···
 	if (hret != H_SUCCESS)
 		ehea_error("modify_ehea_port failed");
 out:
-	kfree(cb1);
+	free_page((unsigned long)cb1);
 	return;
 }
 
···
 
 	vlan_group_set_device(port->vgrp, vid, NULL);
 
-	cb1 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb1 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb1) {
 		ehea_error("no mem for cb1");
 		goto out;
···
 	if (hret != H_SUCCESS)
 		ehea_error("modify_ehea_port failed");
 out:
-	kfree(cb1);
+	free_page((unsigned long)cb1);
 	return;
 }
 
···
 	u64 dummy64 = 0;
 	struct hcp_modify_qp_cb0 *cb0;
 
-	cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb0 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb0) {
 		ret = -ENOMEM;
 		goto out;
···
 
 	ret = 0;
 out:
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 	return ret;
 }
 
···
 	u64 dummy64 = 0;
 	u16 dummy16 = 0;
 
-	cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb0 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb0) {
 		ret = -ENOMEM;
 		goto out;
···
 
 	ret = 0;
 out:
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 
 	return ret;
 }
···
 	u64 dummy64 = 0;
 	u16 dummy16 = 0;
 
-	cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb0 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb0) {
 		ret = -ENOMEM;
 		goto out;
···
 		ehea_refill_rq3(pr, 0);
 	}
 out:
-	kfree(cb0);
+	free_page((unsigned long)cb0);
 
 	return ret;
 }
···
 	u64 hret;
 	int ret;
 
-	cb = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb) {
 		ret = -ENOMEM;
 		goto out;
···
 	ret = 0;
 
 out_herr:
-	kfree(cb);
+	free_page((unsigned long)cb);
 out:
 	return ret;
 }
···
 	*jumbo = 0;
 
 	/* (Try to) enable *jumbo frames */
-	cb4 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb4 = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!cb4) {
 		ehea_error("no mem for cb4");
 		ret = -ENOMEM;
···
 		} else
 			ret = -EINVAL;
 
-		kfree(cb4);
+		free_page((unsigned long)cb4);
 	}
 out:
 	return ret;

drivers/net/ehea/ehea_qmr.c

···
 	unsigned long ret;
 	u64 *rblock;
 
-	rblock = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	rblock = (void *)get_zeroed_page(GFP_KERNEL);
 	if (!rblock) {
 		ehea_error("Cannot allocate rblock memory.");
 		return;
···
 	else
 		ehea_error("Error data could not be fetched: %llX", res_handle);
 
-	kfree(rblock);
+	free_page((unsigned long)rblock);
 }