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| author |   Matthieu CASTET <matthieu.castet@parrot.com> | 2012-06-28 16:53:11 +0200 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2012-07-20 10:02:24 +0200 |
| commit | b94e3c94aae04a911d61f620f4ff5b575fc196ad (patch) | |
| tree | 4153aa1c92ee53ab9cc9b5243e641fc9926b4366 /drivers/hid/hid-picolcd.c | |
| parent | HID: hidraw: fix list->buffer memleak (diff) | |
| download | linux-dev-b94e3c94aae04a911d61f620f4ff5b575fc196ad.tar.xz linux-dev-b94e3c94aae04a911d61f620f4ff5b575fc196ad.zip | |
HID: hid-core: optimize in case of hidraw
When using hidraw, hid buffer can be big and take lot's of
time to process (interrupt) kernel context.
Don't try to parse report if we are only interrested in hidraw.
Also don't prepare data for debug stuff if no debugfs file
are opened.
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-picolcd.c')
| -rw-r--r-- | drivers/hid/hid-picolcd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c index 45c3433f7986..3e0a1e5d2ad5 100644 --- a/drivers/hid/hid-picolcd.c +++ b/drivers/hid/hid-picolcd.c @@ -1846,7 +1846,7 @@ static 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); |