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HID: hid-input: allow input_configured callback return errors

Selaa lähdekoodia 
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>
This commit is contained in:
Dmitry Torokhov
2015-09-29 15:52:59 -07:00
vanhempi 84a73014d8
commit 9154301a47
12 muutettua tiedostoa jossa 66 lisäystä ja 28 poistoa
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10
drivers/hid/hid-input.c
Näytä tiedosto

@@ -1510,8 +1510,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
if (drv->input_configured)
drv->input_configured(hid, hidinput);
if (drv->input_configured &&
drv->input_configured(hid, hidinput))
goto out_cleanup;
if (input_register_device(hidinput->input))
goto out_cleanup;
hidinput = NULL;
@@ -1532,8 +1533,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
}
if (hidinput) {
if (drv->input_configured)
drv->input_configured(hid, hidinput);
if (drv->input_configured &&
drv->input_configured(hid, hidinput))
goto out_cleanup;
if (input_register_device(hidinput->input))
goto out_cleanup;
}