From: Thomas Fourier Date: Fri, 13 Feb 2026 16:43:39 +0000 (+0100) Subject: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle X-Git-Tag: v7.0-rc1~44^2~15 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2;p=thirdparty%2Fkernel%2Fstable.git 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 --- diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c index 67275aa4f65b2..0c86cbb0313c3 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; }