Commit 56fa9441 authored by Bruno Prémont's avatar Bruno Prémont Committed by Jiri Kosina

HID: picoLCD: optimize for inactive debugfs

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: default avatarBruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 5ed84c34
...@@ -402,7 +402,7 @@ void picolcd_debug_out_report(struct picolcd_data *data, ...@@ -402,7 +402,7 @@ void picolcd_debug_out_report(struct picolcd_data *data,
#define BUFF_SZ 256 #define BUFF_SZ 256
/* Avoid unnecessary overhead if debugfs is disabled */ /* Avoid unnecessary overhead if debugfs is disabled */
if (!hdev->debug_events) if (list_empty(&hdev->debug_list))
return; return;
buff = kmalloc(BUFF_SZ, GFP_ATOMIC); buff = kmalloc(BUFF_SZ, GFP_ATOMIC);
......
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