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SubjectRe: jsm_tty: Fix a possible null pointer dereference in two functions
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Date
>> It's pretty unlikely, but it is an actual defect.
>
> No it is not, those variables will never be set to NULL,
> so this can never be triggered. Walk up the call chain.

If the involved software developers are convinced about the validity
of this pointer:

How do you think about to delete the following condition check
instead in the discussed function implementations?

if (!ch)
return;


Regards,
Markus

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