From: Andrew de Quincey <[email protected]>
The tda10086 causes an oops (divide by zero) if a zero symbol rate is used;
this prevents this.
Signed-off-by: Andrew de Quincey <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
---
drivers/media/dvb/frontends/tda10086.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/media/dvb/frontends/tda10086.c b/drivers/media/dvb/frontends/tda10086.c
index 7456b0b..4c27a2d 100644
--- a/drivers/media/dvb/frontends/tda10086.c
+++ b/drivers/media/dvb/frontends/tda10086.c
@@ -441,6 +441,10 @@ static int tda10086_get_frontend(struct
dprintk ("%s\n", __FUNCTION__);
+ // check for invalid symbol rate
+ if (fe_params->u.qpsk.symbol_rate < 500000)
+ return -EINVAL;
+
// calculate the updated frequency (note: we convert from Hz->kHz)
tmp64 = tda10086_read_byte(state, 0x52);
tmp64 |= (tda10086_read_byte(state, 0x51) << 8);
-
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