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Matthias Schwarzott 2df9dda07f [media] si2165: avoid division by zero

When si2165_init fails, the clk values in state are still at zero.
But the dvb-core ignores the return value of init will call tune
afterwards.
This will trigger a division by zero when tuning.
At least check for the variables to be non-zero before dividing.

This happened for a system with WinTV HVR-4400 PCIe-card after suspend-to-disk.
Do suspend-to-disk without accessing the DVB device before.
After wakeup try to tune.
si2165_init fails at checking the chip_mode and aborts.
Then si2165_set_if_freq_shift will fail with div-by-zero.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

2016-09-22 12:53:22 -03:00

common

[media] v4l2-tpg-core: drop SYCC, use higher precision 601 conversion matrix

2016-08-24 08:36:11 -03:00

dvb-core

[media] get rid of a number of problems at the cross references

2016-09-22 10:00:23 -03:00

dvb-frontends

[media] si2165: avoid division by zero

2016-09-22 12:53:22 -03:00

firewire

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