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HID: hid-bigbenff: call hid_hw_stop() in case of error

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It's required to call hid_hw_stop() once hid_hw_start() was called
previously, so error cases need to handle this. Also, hid_hw_close() is
not necessary during removal.

Signed-off-by: Hanno Zulla <kontakt@hanno.de>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Hanno Zulla 2020-02-18 12:38:34 +01:00 committed by Benjamin Tissoires
parent 789a2c2503
commit 976a54d0f4
1 changed files with 10 additions and 5 deletions
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15
drivers/hid/hid-bigbenff.c
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@ -305,7 +305,6 @@ static void bigben_remove(struct hid_device *hid)
struct bigben_device *bigben = hid_get_drvdata(hid);
cancel_work_sync(&bigben->worker);
hid_hw_close(hid);
hid_hw_stop(hid);
}
@ -350,7 +349,7 @@ static int bigben_probe(struct hid_device *hid,
error = input_ff_create_memless(hidinput->input, NULL,
hid_bigben_play_effect);
if (error)
return error;
goto error_hw_stop;
name_sz = strlen(dev_name(&hid->dev)) + strlen(":red:bigben#") + 1;
@ -360,8 +359,10 @@ static int bigben_probe(struct hid_device *hid,
sizeof(struct led_classdev) + name_sz,
GFP_KERNEL
);
if (!led)
return -ENOMEM;
if (!led) {
error = -ENOMEM;
goto error_hw_stop;
}
name = (void *)(&led[1]);
snprintf(name, name_sz,
"%s:red:bigben%d",
@ -375,7 +376,7 @@ static int bigben_probe(struct hid_device *hid,
bigben->leds[n] = led;
error = devm_led_classdev_register(&hid->dev, led);
if (error)
return error;
goto error_hw_stop;
}
/* initial state: LED1 is on, no rumble effect */
@ -389,6 +390,10 @@ static int bigben_probe(struct hid_device *hid,
hid_info(hid, "LED and force feedback support for BigBen gamepad\n");
return 0;
error_hw_stop:
hid_hw_stop(hid);
return error;
}
static __u8 *bigben_report_fixup(struct hid_device *hid, __u8 *rdesc,