HID:replace BUG_ON() with WARN_ON()

Commit Message

He Lugang Sept. 7, 2024, 3:30 p.m. UTC

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 <[e-mail]>
---
 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(-)

Patch

diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 20a0d1315d90..03e11f15257f 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;