[PATCH] net: ethernet: ti: am65-cpsw: fix NULL deref check in am65_cpsw_nuss_probe
From: Charles Han <hidden>
Date: 2024-10-25 09:11:47
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
In am65_cpsw_nuss_probe() devm_kzalloc() may return NULL but this
returned value is not checked.
Fixes: 1af3cb3702d0 ("net: ethernet: ti: am65-cpsw: Fix hardware switch mode on suspend/resume")
Signed-off-by: Charles Han <redacted>
---
drivers/net/ethernet/ti/am65-cpsw-nuss.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 6201a09fa5f0..7af7542093e8 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c@@ -3528,6 +3528,9 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev) common->ale_context = devm_kzalloc(dev, ale_entries * ALE_ENTRY_WORDS * sizeof(u32), GFP_KERNEL); + if (!common->ale_context) + return -ENOMEM; + ret = am65_cpsw_init_cpts(common); if (ret) goto err_of_clear;
--
2.31.1