4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Aleksander Jan Bajkowski <olek2@xxxxx>
[ Upstream commit e1533b6319ab9c3a97dad314dd88b3783bc41b69 ]
The number of the currently released descriptor is never incremented
which results in the same skb being released multiple times.
Fixes: 504d4721ee8e ("MIPS: Lantiq: Add ethernet driver")
Reported-by: Joe Perches <joe@xxxxxxxxxxx>
Closes: https://lore.kernel.org/all/fc1bf93d92bb5b2f99c6c62745507cc22f3a7b2d.camel@xxxxxxxxxxx/
Signed-off-by: Aleksander Jan Bajkowski <olek2@xxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Link: https://patch.msgid.link/20240708205826.5176-1-olek2@xxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/lantiq_etop.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index fd391cbd5774e..b41822d08649d 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -221,9 +221,9 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch)
if (ch->dma.irq)
free_irq(ch->dma.irq, priv);
if (IS_RX(ch->idx)) {
- int desc;
+ struct ltq_dma_channel *dma = &ch->dma;
- for (desc = 0; desc < LTQ_DESC_NUM; desc++)
+ for (dma->desc = 0; dma->desc < LTQ_DESC_NUM; dma->desc++)
dev_kfree_skb_any(ch->skb[ch->dma.desc]);
}
}
--
2.43.0
