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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: 091c12e1f5 ("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>
This commit is contained in:
Navid Emamdoost 2019-10-27 14:48:47 -05:00 committed by Mark Brown
parent f792bd173a
commit c0a333d842
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 2 deletions
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6
sound/soc/sof/debug.c
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@ -152,8 +152,10 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
*/ */
dentry = file->f_path.dentry; dentry = file->f_path.dentry;
if (strcmp(dentry->d_name.name, "ipc_flood_count") && if (strcmp(dentry->d_name.name, "ipc_flood_count") &&
strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) {
return -EINVAL; ret = -EINVAL;
goto out;
}
if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms"))
flood_duration_test = true; flood_duration_test = true;