From ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 Mon Sep 17 00:00:00 2001 From: Thomas Fourier Date: Fri, 13 Feb 2026 17:43:39 +0100 Subject: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv->rx_buf.alloc_phys. Fixes: 6af55ff52b02 ("Driver for Beckhoff CX5020 EtherCAT master module.") Cc: Signed-off-by: Thomas Fourier Link: https://patch.msgid.link/20260213164340.77272-2-fourier.thomas@gmail.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/ec_bhf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c index 67275aa4f65b..0c86cbb0313c 100644 --- a/drivers/net/ethernet/ec_bhf.c +++ b/drivers/net/ethernet/ec_bhf.c @@ -423,7 +423,7 @@ static int ec_bhf_open(struct net_device *net_dev) error_rx_free: dma_free_coherent(dev, priv->rx_buf.alloc_len, priv->rx_buf.alloc, - priv->rx_buf.alloc_len); + priv->rx_buf.alloc_phys); out: return err; } -- cgit v1.2.3