From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit 6f928ab8ee9bfbcb0e631c47ea8a16c3d5116ff1 ]
netdev is allocated in bgmac_alloc() with devm_alloc_etherdev() and will be auto released in ->remove and ->probe failure path. Using free_netdev() in bgmac_enet_remove() leads to double free.
Fixes: 34a5102c3235 ("net: bgmac: allocate struct bgmac just once & don't copy it") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com
Link: https://lore.kernel.org/r/20221109150136.2991171-1-weiyongjun@huaweicloud.co... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/broadcom/bgmac.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index a4080f18135c..ae22f9f5761b 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1565,7 +1565,6 @@ void bgmac_enet_remove(struct bgmac *bgmac) phy_disconnect(bgmac->net_dev->phydev); netif_napi_del(&bgmac->napi); bgmac_dma_free(bgmac); - free_netdev(bgmac->net_dev); } EXPORT_SYMBOL_GPL(bgmac_enet_remove);