The only way for p_set to be NULL would be if vin_coef_set would be an empty array. On such case, the driver will OOPS, as it would try to de-reference a NULL value. So, the check if p_set is not NULL doesn't make any sense. Solves those two smatch warnings: drivers/media/platform/rcar-vin/rcar-dma.c:489 rvin_set_coeff() warn: variable dereferenced before check 'p_set' (see line 484) drivers/media/platform/rcar-vin/rcar-dma.c:494 rvin_set_coeff() error: we previously assumed 'p_set' could be null (see line 489) Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> --- drivers/media/platform/rcar-vin/rcar-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 2207a31d355e..91ab064404a1 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -486,7 +486,7 @@ static void rvin_set_coeff(struct rvin_dev *vin, unsigned short xs) } /* Use previous value if its XS value is closer */ - if (p_prev_set && p_set && + if (p_prev_set && xs - p_prev_set->xs_value < p_set->xs_value - xs) p_set = p_prev_set; -- 2.20.1
