Message ID | 20210302100345.27982-2-biao.huang@mediatek.com (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [v2] net: ethernet: mtk-star-emac: fix wrong unmap in RX handling | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Guessed tree name to be net-next |
netdev/subject_prefix | warning | Target tree name not specified in the subject |
netdev/cc_maintainers | success | CCed 11 of 11 maintainers |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | warning | WARNING: line length of 82 exceeds 80 columns |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
netdev/stable | success | Stable not CCed |
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c index a8641a407c06..84b3f56a9965 100644 --- a/drivers/net/ethernet/mediatek/mtk_star_emac.c +++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c @@ -1225,9 +1225,7 @@ static int mtk_star_receive_packet(struct mtk_star_priv *priv) goto push_new_skb; } - desc_data.dma_addr = new_dma_addr; - - /* We can't fail anymore at this point: it's safe to unmap the skb. */ + /* We can't fail anymore at this point: it's safe to unmap the old skb. */ mtk_star_dma_unmap_rx(priv, &desc_data); skb_put(desc_data.skb, desc_data.len); @@ -1236,6 +1234,9 @@ static int mtk_star_receive_packet(struct mtk_star_priv *priv) desc_data.skb->dev = ndev; netif_receive_skb(desc_data.skb); + /* update dma_addr for new skb */ + desc_data.dma_addr = new_dma_addr; + push_new_skb: desc_data.len = skb_tailroom(new_skb); desc_data.skb = new_skb;