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path: root/drivers/net/ethernet/ti
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Diffstat (limited to 'drivers/net/ethernet/ti')
-rw-r--r--drivers/net/ethernet/ti/icssg/icss_iep.c23
-rw-r--r--drivers/net/ethernet/ti/icssg/icssg_common.c15
2 files changed, 26 insertions, 12 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icss_iep.c b/drivers/net/ethernet/ti/icssg/icss_iep.c
index 2a1c43316f46..50bfbc2779e4 100644
--- a/drivers/net/ethernet/ti/icssg/icss_iep.c
+++ b/drivers/net/ethernet/ti/icssg/icss_iep.c
@@ -685,11 +685,17 @@ struct icss_iep *icss_iep_get_idx(struct device_node *np, int idx)
struct platform_device *pdev;
struct device_node *iep_np;
struct icss_iep *iep;
+ int ret;
iep_np = of_parse_phandle(np, "ti,iep", idx);
- if (!iep_np || !of_device_is_available(iep_np))
+ if (!iep_np)
return ERR_PTR(-ENODEV);
+ if (!of_device_is_available(iep_np)) {
+ of_node_put(iep_np);
+ return ERR_PTR(-ENODEV);
+ }
+
pdev = of_find_device_by_node(iep_np);
of_node_put(iep_np);
@@ -698,21 +704,28 @@ struct icss_iep *icss_iep_get_idx(struct device_node *np, int idx)
return ERR_PTR(-EPROBE_DEFER);
iep = platform_get_drvdata(pdev);
- if (!iep)
- return ERR_PTR(-EPROBE_DEFER);
+ if (!iep) {
+ ret = -EPROBE_DEFER;
+ goto err_put_pdev;
+ }
device_lock(iep->dev);
if (iep->client_np) {
device_unlock(iep->dev);
dev_err(iep->dev, "IEP is already acquired by %s",
iep->client_np->name);
- return ERR_PTR(-EBUSY);
+ ret = -EBUSY;
+ goto err_put_pdev;
}
iep->client_np = np;
device_unlock(iep->dev);
- get_device(iep->dev);
return iep;
+
+err_put_pdev:
+ put_device(&pdev->dev);
+
+ return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(icss_iep_get_idx);
diff --git a/drivers/net/ethernet/ti/icssg/icssg_common.c b/drivers/net/ethernet/ti/icssg/icssg_common.c
index 12f25cec6255..57e5f1c88f50 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_common.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_common.c
@@ -706,9 +706,9 @@ static int emac_rx_packet(struct prueth_emac *emac, u32 flow_id, u32 *xdp_state)
struct page_pool *pool;
struct sk_buff *skb;
struct xdp_buff xdp;
+ int headroom, ret;
u32 *psdata;
void *pa;
- int ret;
*xdp_state = 0;
pool = rx_chn->pg_pool;
@@ -757,22 +757,23 @@ static int emac_rx_packet(struct prueth_emac *emac, u32 flow_id, u32 *xdp_state)
xdp_prepare_buff(&xdp, pa, PRUETH_HEADROOM, pkt_len, false);
*xdp_state = emac_run_xdp(emac, &xdp, page, &pkt_len);
- if (*xdp_state == ICSSG_XDP_PASS)
- skb = xdp_build_skb_from_buff(&xdp);
- else
+ if (*xdp_state != ICSSG_XDP_PASS)
goto requeue;
+ headroom = xdp.data - xdp.data_hard_start;
+ pkt_len = xdp.data_end - xdp.data;
} else {
- /* prepare skb and send to n/w stack */
- skb = napi_build_skb(pa, PAGE_SIZE);
+ headroom = PRUETH_HEADROOM;
}
+ /* prepare skb and send to n/w stack */
+ skb = napi_build_skb(pa, PAGE_SIZE);
if (!skb) {
ndev->stats.rx_dropped++;
page_pool_recycle_direct(pool, page);
goto requeue;
}
- skb_reserve(skb, PRUETH_HEADROOM);
+ skb_reserve(skb, headroom);
skb_put(skb, pkt_len);
skb->dev = ndev;