diff options
| author |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 10:53:31 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 15:36:18 +0100 |
| commit | 7998193bccc1c6e1537c5f3880fd0d5b949ec9d1 (patch) | |
| tree | a6f7d9760a1786cbcf654a43aa78ddffd707833c /drivers/hid | |
| parent | HID: add USB_HID dependancy on some USB HID drivers (diff) | |
| download | linux-dev-7998193bccc1c6e1537c5f3880fd0d5b949ec9d1.tar.xz linux-dev-7998193bccc1c6e1537c5f3880fd0d5b949ec9d1.zip | |
HID: sony: fix error path in probe
When the setup of the GHL fails, we are not calling hid_hw_stop().
This leads to the hidraw node not being released, meaning a crash
whenever somebody attempts to open the file.
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20211202095334.14399-2-benjamin.tissoires@redhat.com
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-sony.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index c186af552129..60ec2b29d54d 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -3037,19 +3037,23 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) */ if (!(hdev->claimed & HID_CLAIMED_INPUT)) { hid_err(hdev, "failed to claim input\n"); - hid_hw_stop(hdev); - return -ENODEV; + ret = -ENODEV; + goto err; } if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) { - if (!hid_is_usb(hdev)) - return -EINVAL; + if (!hid_is_usb(hdev)) { + ret = -EINVAL; + goto err; + } usbdev = to_usb_device(sc->hdev->dev.parent->parent); sc->ghl_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!sc->ghl_urb) - return -ENOMEM; + if (!sc->ghl_urb) { + ret = -ENOMEM; + goto err; + } if (sc->quirks & GHL_GUITAR_PS3WIIU) ret = ghl_init_urb(sc, usbdev, ghl_ps3wiiu_magic_data, @@ -3059,7 +3063,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) ARRAY_SIZE(ghl_ps4_magic_data)); if (ret) { hid_err(hdev, "error preparing URB\n"); - return ret; + goto err; } timer_setup(&sc->ghl_poke_timer, ghl_magic_poke, 0); @@ -3068,6 +3072,10 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) } return ret; + +err: + hid_hw_stop(hdev); + return ret; } static void sony_remove(struct hid_device *hdev) |