Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / drivers / staging / comedi / proc.c

diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
index 8ee94424bc8fef6b0dc94ec31774152ca0932d68..ade00035d3bb5863cb2fe5b1fd29581b2e0b8aa6 100644 (file)
--- 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;
 }