On Thu, Feb 20, 2014 at 01:42:08PM +0100, Geert Uytterhoeven wrote: > On Tue, Feb 11, 2014 at 8:05 PM, Greg Kroah-Hartman > <gre...@linuxfoundation.org> wrote: > > 3.12-stable review patch. If anyone has any objections, please let me know. > > Sorry for not noticing this was queued up for stable before, but this > patch was reverted in mainline: > > commit 1f802f8249a0da536877842c43c7204064c4de8b > Author: Geert Uytterhoeven <geert+rene...@linux-m68k.org> > Date: Tue Jan 28 10:33:03 2014 +0100 > > spi: Fix crash with double message finalisation on error handling > > This reverts commit e120cc0dcf2880a4c5c0a6cb27b655600a1cfa1d. > > It causes a NULL pointer dereference with drivers using the generic > spi_transfer_one_message(), which always calls > spi_finalize_current_message(), which zeroes master->cur_msg. > > Drivers implementing transfer_one_message() theirselves must always call > spi_finalize_current_message(), even if the transfer failed: > > * @transfer_one_message: the subsystem calls the driver to transfer a > singl > * message while queuing transfers that arrive in the meantime. When > th > * driver is finished with this message, it must call > * spi_finalize_current_message() so the subsystem can issue the next > * transfer > > Signed-off-by: Geert Uytterhoeven <geert+rene...@linux-m68k.org> > Signed-off-by: Mark Brown <broo...@linaro.org>
Thanks for catching this, I've queued it up now. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
