This is a note to let you know that I've just added the patch titled ath10k: fix memory leak for tpc_stats_final to the 5.4-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: ath10k-fix-memory-leak-for-tpc_stats_final.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit fb1c492ad1ba48de0ac5f1afa9488a2c64e2ee01 Author: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx> Date: Wed Oct 9 16:18:09 2019 +0800 ath10k: fix memory leak for tpc_stats_final [ Upstream commit 486a8849843455298d49e694cca9968336ce2327 ] The memory of ar->debug.tpc_stats_final is reallocated every debugfs reading, it should be freed in ath10k_debug_destroy() for the last allocation. Tested HW: QCA9984 Tested FW: 10.4-3.9.0.2-00035 Signed-off-by: Miaoqing Pan <miaoqing@xxxxxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 40baf25ac99f3..04c50a26a4f47 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -2532,6 +2532,7 @@ void ath10k_debug_destroy(struct ath10k *ar) ath10k_debug_fw_stats_reset(ar); kfree(ar->debug.tpc_stats); + kfree(ar->debug.tpc_stats_final); } int ath10k_debug_register(struct ath10k *ar)