From b90bab3b1b1b6c56dd6f9d5c960932239f36f6d3 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Fri, 5 Jul 2019 08:16:37 +0000 Subject: 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 Reviewed-by: Ranjani Sridharan Link: https://lore.kernel.org/r/20190705081637.157169-1-weiyongjun1@huawei.com Signed-off-by: Mark Brown --- 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 */ -- cgit v1.2.3