There is no need to kill the system entirely in HID with BUG_ON,
use WARN_ON to handle fault more gracefully which allow the system
to keep running.
Signed-off-by: He Lugang <helugang@xxxxxxxxxxxxx>
---
drivers/hid/hid-cp2112.c | 3 ++-
drivers/hid/hid-lg4ff.c | 3 ++-
drivers/hid/hid-sony.c | 3 ++-
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index dae2b84a1490..f4c8d981aa0a 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -852,7 +852,8 @@ static int cp2112_set_usb_config(struct hid_device *hdev,
{
int ret;
- BUG_ON(cfg->report != CP2112_USB_CONFIG);
+ if (WARN_ON(cfg->report != CP2112_USB_CONFIG))
+ return -EINVAL;
ret = cp2112_hid_output(hdev, (u8 *)cfg, sizeof(*cfg),
HID_FEATURE_REPORT);
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index e3fcf1353fb3..c0a138f21ca4 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -1350,7 +1350,8 @@ int lg4ff_init(struct hid_device *hid)
/* Initialize device properties */
if (mmode_ret == LG4FF_MMODE_IS_MULTIMODE) {
- BUG_ON(mmode_idx == -1);
+ if (WARN_ON(mmode_idx == -1))
+ return -EINVAL;
mmode_wheel = &lg4ff_multimode_wheels[mmode_idx];
}
lg4ff_init_wheel_data(&entry->wdata, &lg4ff_devices[i], mmode_wheel, real_product_id);
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index df29c614e490..c5db29456507 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1379,7 +1379,8 @@ static int sony_leds_init(struct sony_sc *sc)
u8 max_brightness[MAX_LEDS] = { [0 ... (MAX_LEDS - 1)] = 1 };
u8 use_hw_blink[MAX_LEDS] = { 0 };
- BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
+ if (WARN_ON(!(sc->quirks & SONY_LED_SUPPORT)))
+ return -EINVAL;
if (sc->quirks & BUZZ_CONTROLLER) {
sc->led_count = 4;
--
2.45.2
