* [PATCH v2] atm: Fix dma_free_coherent() size
@ 2026-01-07 9:01 Thomas Fourier
2026-01-08 16:50 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Thomas Fourier @ 2026-01-07 9:01 UTC (permalink / raw)
Cc: Thomas Fourier, stable, Chas Williams, linux-atm-general, netdev,
linux-kernel
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
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2026-01-07 9:01 [PATCH v2] atm: Fix dma_free_coherent() size Thomas Fourier
2026-01-08 16:50 ` patchwork-bot+netdevbpf
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