Fields of 'ctx' are accessed just after it is freed.
Test: manual
Change-Id: I7c3786db9ae618d84149874c72662e4d105765b4
Signed-off-by: Oleg Lyovin <ovlevin@salutedevices.com>
'hdmicec_close' may be called after exit_fd initialized,
but before ctx->thread created.
This patch checks it for NULL before join.
Test: manual
Change-Id: I1c57be56f2cd9956044d9a48fea914b1c1fd0132
Signed-off-by: Oleg Lyovin <ovlevin@salutedevices.com>
