diff mbox series

media: tuners: qt1010: replace BUG_ON with a regular error

Message ID 8a5f4d72-7a94-5bd7-e3f9-9ce5bd6a8390@xs4all.nl (mailing list archive)
State New, archived
Headers show
Series media: tuners: qt1010: replace BUG_ON with a regular error | expand

Commit Message

Hans Verkuil July 20, 2023, 6:20 a.m. UTC
BUG_ON is unnecessary here, and in addition it confuses smatch.
Replacing this with an error return help resolve this smatch
warning:

drivers/media/tuners/qt1010.c:350 qt1010_init() error: buffer overflow 'i2c_data' 34 <= 34

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
 drivers/media/tuners/qt1010.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/tuners/qt1010.c b/drivers/media/tuners/qt1010.c
index 3853a3d43d4f..a7b19863f489 100644
--- a/drivers/media/tuners/qt1010.c
+++ b/drivers/media/tuners/qt1010.c
@@ -345,11 +345,12 @@  static int qt1010_init(struct dvb_frontend *fe)
 			else
 				valptr = &tmpval;

-			BUG_ON(i >= ARRAY_SIZE(i2c_data) - 1);
-
-			err = qt1010_init_meas1(priv, i2c_data[i+1].reg,
-						i2c_data[i].reg,
-						i2c_data[i].val, valptr);
+			if (i >= ARRAY_SIZE(i2c_data) - 1)
+				err = -EIO;
+			else
+				err = qt1010_init_meas1(priv, i2c_data[i + 1].reg,
+							i2c_data[i].reg,
+							i2c_data[i].val, valptr);
 			i++;
 			break;
 		}