On Tue, Oct 01, 2019 at 12:00:07PM +0200, Geert Uytterhoeven wrote: > On Tue, Oct 1, 2019 at 11:34 AM Lukasz Majewski <lukma@xxxxxxx> wrote: > > > On Tue, Oct 1, 2019 at 11:07 AM Lukasz Majewski <lukma@xxxxxxx> wrote: > > The if (!dofree) prevents from calling spi_slave_abort() when > > spidev->spi == NULL and spidev is kfree'd. > If spidev->users != 0, the block checking spidev->spi == NULL is never > executed, and spi_slave_abort() will be called. > I'm wondering if spidev->spi can be NULL if spidev->users is still positive. It *shouldn't* be. I think we have other problems if it is.
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