On Wed, Jun 30, 2021 at 04:11:43PM +0200, Alain Volmat wrote:
> Slave interrupt handler should only be called if there is actually
> a slave registered and running to avoid accessing an invalid pointer.
>
> Without this commit, an OOPS can be generated due to a NULL ptr dereference
> while receiving an IT when there is no master transfer and no slave
> running:
> - stm32f7_i2c_isr_event
> - no master_mode hence calling stm32f7_i2c_slave_isr_event
> - access to i2c_dev->slave_running leading to oops due to
> slave_running being NULL.
>
> Fixes: 60d609f30de2 ("i2c: i2c-stm32f7: Add slave support")
>
> Signed-off-by: Alain Volmat <alain.volmat@xxxxxxxxxxx>
Is this one still of interest? You resent patches 1 and 2 but not this
one?
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