The patch

ASoC: SOF: debug: fix possible memory leak in sof_dfsentry_write()

has been applied to the asoc tree at

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.3

All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying to this mail.

Thanks, Mark

From b90bab3b1b1b6c56dd6f9d5c960932239f36f6d3 Mon Sep 17 00:00:00 2001

From: Wei Yongjun weiyongjun1@huawei.com Date: Fri, 5 Jul 2019 08:16:37 +0000 Subject: [PATCH] ASoC: SOF: debug: fix possible memory leak in sof_dfsentry_write()

'string' is malloced in sof_dfsentry_write() and should be freed before leaving from the error handling cases, otherwise it will cause memory leak.

Fixes: 091c12e1f50c ("ASoC: SOF: debug: add new debugfs entries for IPC flood test") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Link: https://lore.kernel.org/r/20190705081637.157169-1-weiyongjun1@huawei.com Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/sof/debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 54bb53bfc81b..2388477a965e 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -162,7 +162,7 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, else ret = kstrtoul(string, 0, &ipc_count); if (ret < 0) - return ret; + goto out;

/* limit max duration/ipc count for flood test */ if (flood_duration_test) { @@ -191,7 +191,7 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, "error: debugfs write failed to resume %d\n", ret); pm_runtime_put_noidle(sdev->dev); - return ret; + goto out; }

/* flood test */