This is a note to let you know that I've just added the patch titled net: ethernet: ti: am65-cpsw: Fix PM runtime leakage in am65_cpsw_nuss_ndo_slave_open() to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-ethernet-ti-am65-cpsw-fix-pm-runtime-leakage-in-.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3ea94ec8dcd8a5e12221dd1e7f1d6fab8ed8ff62 Author: Roger Quadros <rogerq@xxxxxxxxxx> Date: Thu Dec 8 12:55:34 2022 +0200 net: ethernet: ti: am65-cpsw: Fix PM runtime leakage in am65_cpsw_nuss_ndo_slave_open() [ Upstream commit 5821504f5073983733465b8bc430049c4343bbd7 ] Ensure pm_runtime_put() is issued in error path. Reported-by: Jakub Kicinski <kuba@xxxxxxxxxx> Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx> Reviewed-by: Saeed Mahameed <saeed@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221208105534.63709-1-rogerq@xxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index b3b0ba842541..4ff1cfdb9730 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -564,13 +564,13 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) ret = netif_set_real_num_tx_queues(ndev, common->tx_ch_num); if (ret) { dev_err(common->dev, "cannot set real number of tx queues\n"); - return ret; + goto runtime_put; } ret = netif_set_real_num_rx_queues(ndev, AM65_CPSW_MAX_RX_QUEUES); if (ret) { dev_err(common->dev, "cannot set real number of rx queues\n"); - return ret; + goto runtime_put; } for (i = 0; i < common->tx_ch_num; i++) @@ -578,7 +578,7 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) ret = am65_cpsw_nuss_common_open(common); if (ret) - return ret; + goto runtime_put; common->usage_count++; @@ -606,6 +606,10 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev) error_cleanup: am65_cpsw_nuss_ndo_slave_stop(ndev); return ret; + +runtime_put: + pm_runtime_put(common->dev); + return ret; } static void am65_cpsw_nuss_rx_cleanup(void *data, dma_addr_t desc_dma)