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authorNavid Emamdoost <navid.emamdoost@gmail.com>2019-10-27 14:48:47 -0500
committerMark Brown <broonie@kernel.org>2019-10-28 13:10:23 +0000
commitc0a333d842ef67ac04adc72ff79dc1ccc3dca4ed (patch)
treee79d22b3d9abd8c2dc021537fa59d2ac1d8462be /sound/soc/sof/debug.c
parentf792bd173a6fd51d1a4dde04263085ce67486aa3 (diff)
ASoC: SOF: Fix memory leak in sof_dfsentry_write
In the implementation of sof_dfsentry_write() memory allocated for string is leaked in case of an error. Go to error handling path if the d_name.name is not valid. Fixes: 091c12e1f50c ("ASoC: SOF: debug: add new debugfs entries for IPC flood test") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Link: https://lore.kernel.org/r/20191027194856.4056-1-navid.emamdoost@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/debug.c')
-rw-r--r--sound/soc/sof/debug.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index 54cd431faab7..5529e8eeca46 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -152,8 +152,10 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
*/
dentry = file->f_path.dentry;
if (strcmp(dentry->d_name.name, "ipc_flood_count") &&
- strcmp(dentry->d_name.name, "ipc_flood_duration_ms"))
- return -EINVAL;
+ strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) {
+ ret = -EINVAL;
+ goto out;
+ }
if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms"))
flood_duration_test = true;