diff options
| -rw-r--r-- | drivers/soundwire/debugfs.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/soundwire/debugfs.c b/drivers/soundwire/debugfs.c index ccc9670ef77c..2905ec19b838 100644 --- a/drivers/soundwire/debugfs.c +++ b/drivers/soundwire/debugfs.c @@ -358,8 +358,8 @@ void sdw_slave_debugfs_init(struct sdw_slave *slave) debugfs_create_file("go", 0200, d, slave, &cmd_go_fops); debugfs_create_file("read_buffer", 0400, d, slave, &read_buffer_fops); - firmware_file = NULL; - debugfs_create_str("firmware_file", 0200, d, &firmware_file); + if (firmware_file) + debugfs_create_str("firmware_file", 0200, d, &firmware_file); slave->debugfs = d; } @@ -371,10 +371,15 @@ void sdw_slave_debugfs_exit(struct sdw_slave *slave) void sdw_debugfs_init(void) { + if (!firmware_file) + firmware_file = kstrdup("", GFP_KERNEL); + sdw_debugfs_root = debugfs_create_dir("soundwire", NULL); } void sdw_debugfs_exit(void) { debugfs_remove_recursive(sdw_debugfs_root); + kfree(firmware_file); + firmware_file = NULL; } |