From: Daniel Scheller <d.scheller@xxxxxxx>
To avoid miscalculations related to the BER denominator, the shift
expression needs to be casted as ULL.
Picked up from the upstream dddvb GIT.
Signed-off-by: Daniel Scheller <d.scheller@xxxxxxx>
---
drivers/media/dvb-frontends/stv0910.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/stv0910.c b/drivers/media/dvb-frontends/stv0910.c
index 41444fa1c0bb..91b21eb59531 100644
--- a/drivers/media/dvb-frontends/stv0910.c
+++ b/drivers/media/dvb-frontends/stv0910.c
@@ -682,8 +682,8 @@ static int get_bit_error_rate_s(struct stv *state, u32 *bernumerator,
return -EINVAL;
if ((regs[0] & 0x80) == 0) {
- state->last_berdenominator = 1 << ((state->berscale * 2) +
- 10 + 3);
+ state->last_berdenominator = 1ULL << ((state->berscale * 2) +
+ 10 + 3);
state->last_bernumerator = ((u32)(regs[0] & 0x7F) << 16) |
((u32)regs[1] << 8) | regs[2];
if (state->last_bernumerator < 256 && state->berscale < 6) {
--
2.16.4
