4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> [ Upstream commit ee630b29ea44d1851bb6c903f400956604834463 ] 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@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/media/tuners/qt1010.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/media/tuners/qt1010.c b/drivers/media/tuners/qt1010.c index 32731b6464145..3236e2277ab33 100644 --- a/drivers/media/tuners/qt1010.c +++ b/drivers/media/tuners/qt1010.c @@ -351,11 +351,12 @@ 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; } -- 2.40.1
