From: Thomas Fourier <fourier.thomas@gmail.com>
Cc: Thomas Fourier <fourier.thomas@gmail.com>,
stable@vger.kernel.org, Chas Williams <3chas3@gmail.com>,
linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2] atm: Fix dma_free_coherent() size
Date: Wed, 7 Jan 2026 10:01:36 +0100 [thread overview]
Message-ID: <20260107090141.80900-2-fourier.thomas@gmail.com> (raw)
The size of the buffer is not the same when alloc'd with
dma_alloc_coherent() in he_init_tpdrq() and freed.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
---
v1->v2:
- change Fixes: tag to before the change from pci-consistent to dma-coherent.
drivers/atm/he.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index ad91cc6a34fc..92a041d5387b 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1587,7 +1587,8 @@ he_stop(struct he_dev *he_dev)
he_dev->tbrq_base, he_dev->tbrq_phys);
if (he_dev->tpdrq_base)
- dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
+ dma_free_coherent(&he_dev->pci_dev->dev,
+ CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq),
he_dev->tpdrq_base, he_dev->tpdrq_phys);
dma_pool_destroy(he_dev->tpd_pool);
--
2.43.0
next reply other threads:[~2026-01-07 9:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-07 9:01 Thomas Fourier [this message]
2026-01-08 16:50 ` [PATCH v2] atm: Fix dma_free_coherent() size patchwork-bot+netdevbpf
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