Matthieu CASTET adjusted picolcd_debug_out_report() to only operate when
there is an active listener on debugfs for events.
His change got lost while splitting hid_picolcd.c, restore it.
Signed-off-by: Bruno Prémont <bonb...@linux-vserver.org>
---
diff --git a/drivers/hid/hid-picolcd_debugfs.c
b/drivers/hid/hid-picolcd_debugfs.c
index 6ef03be..4809aa1 100644
--- a/drivers/hid/hid-picolcd_debugfs.c
+++ b/drivers/hid/hid-picolcd_debugfs.c
@@ -402,7 +402,7 @@ void picolcd_debug_out_report(struct picolcd_data *data,
#define BUFF_SZ 256
/* Avoid unnecessary overhead if debugfs is disabled */
- if (!hdev->debug_events)
+ if (list_empty(&hdev->debug_list))
return;
buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
--
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