diff options
Diffstat (limited to 'sound/soc/intel/avs/debugfs.c')
| -rw-r--r-- | sound/soc/intel/avs/debugfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c index 8c4edda97f75..0e826ca20619 100644 --- a/sound/soc/intel/avs/debugfs.c +++ b/sound/soc/intel/avs/debugfs.c @@ -373,7 +373,10 @@ static ssize_t trace_control_write(struct file *file, const char __user *from, s return ret; num_elems = *array; - resource_mask = array[1]; + if (!num_elems) { + ret = -EINVAL; + goto free_array; + } /* * Disable if just resource mask is provided - no log priority flags. @@ -381,6 +384,7 @@ static ssize_t trace_control_write(struct file *file, const char __user *from, s * Enable input format: mask, prio1, .., prioN * Where 'N' equals number of bits set in the 'mask'. */ + resource_mask = array[1]; if (num_elems == 1) { ret = disable_logs(adev, resource_mask); } else { |