[PATCH net] net: 3com: 3c59x: fix possible null dereference in vortex_probe1()
From: Thomas Fourier <hidden>
Date: 2026-01-06 09:49:04
Also in:
lkml, stable
Subsystem:
3c59x network driver, networking drivers, the rest · Maintainers:
Steffen Klassert, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
pdev can be null and free_ring: can be called in 1297 with a null
pdev.
Fixes: 55c82617c3e8 ("3c59x: convert to generic DMA API")
Cc: <redacted>
Signed-off-by: Thomas Fourier <redacted>
---
drivers/net/ethernet/3com/3c59x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 8c9cc97efd4e..4fe4efdb3737 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c@@ -1473,7 +1473,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq, return 0; free_ring: - dma_free_coherent(&pdev->dev, + dma_free_coherent(gendev, sizeof(struct boom_rx_desc) * RX_RING_SIZE + sizeof(struct boom_tx_desc) * TX_RING_SIZE, vp->rx_ring, vp->rx_ring_dma);
--
2.43.0