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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-09-29 15:52:59 -0700
committerJiri Kosina <jkosina@suse.cz>2015-09-30 10:07:09 +0200
commitb2c68a2f1bab3e3d3bf4ab2b5fcd94cd37f61b41 (patch)
treeb8d5fbadb77568922c5f804777bbb2aa998d9a6d /drivers/hid/hid-logitech-hidpp.c
parentHID: Make I2C a known bus in hid_connect() (diff)
downloadlinux-dev-b2c68a2f1bab3e3d3bf4ab2b5fcd94cd37f61b41.tar.xz
linux-dev-b2c68a2f1bab3e3d3bf4ab2b5fcd94cd37f61b41.zip
HID: hid-input: allow input_configured callback return errors
When configuring input device via input_configured callback we may encounter errors (for example input_mt_init_slots() may fail). Instead of continuing with half-initialized input device let's allow driver indicate failures. Signed-off-by: Jaikumar Ganesh <jaikumarg@android.com> Signed-off-by: Arve Hjønnevåg <arve@android.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Acked-by: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com> Acked-by: Andrew Duggan <aduggan@synaptics.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-logitech-hidpp.c')
-rw-r--r--drivers/hid/hid-logitech-hidpp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 484196459305..a25f562f2d7b 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1160,13 +1160,15 @@ static void hidpp_populate_input(struct hidpp_device *hidpp,
m560_populate_input(hidpp, input, origin_is_hid_core);
}
-static void hidpp_input_configured(struct hid_device *hdev,
+static int hidpp_input_configured(struct hid_device *hdev,
struct hid_input *hidinput)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
struct input_dev *input = hidinput->input;
hidpp_populate_input(hidpp, input, true);
+
+ return 0;
}
static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,