diff options
Diffstat (limited to 'drivers/staging/comedi/proc.c')
| -rw-r--r-- | drivers/staging/comedi/proc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c index 8ee94424bc8f..ade00035d3bb 100644 --- a/drivers/staging/comedi/proc.c +++ b/drivers/staging/comedi/proc.c @@ -55,6 +55,7 @@ static int comedi_read(struct seq_file *m, void *v) if (!devices_q) seq_puts(m, "no devices\n"); + mutex_lock(&comedi_drivers_list_lock); for (driv = comedi_drivers; driv; driv = driv->next) { seq_printf(m, "%s:\n", driv->driver_name); for (i = 0; i < driv->num_names; i++) @@ -65,6 +66,7 @@ static int comedi_read(struct seq_file *m, void *v) if (!driv->num_names) seq_printf(m, " %s\n", driv->driver_name); } + mutex_unlock(&comedi_drivers_list_lock); return 0; } |