On Tue, Jan 21, 2014 at 01:58:37PM +0000, Ian Abbott wrote: > From: Bernd Porr <[email protected]> > > commit e56b1401056288a725d50942ef300dcbed5e519a upstream > > If the channel list is not set in userspace we get an error at > PTR_ERR(async->cmd.chanlist). However, do_become_nonbusy(dev, s) cleans > up this pointer which causes a kernel ooops. Setting the channel list in > async to NULL and checking this in do_become_nonbusy prevents the oops. > > [Ian Abbott] Also do the same for the chanlist allocated in > do_cmdtest_ioctl(). > > Signed-off-by: Bernd Porr <[email protected]> > Signed-off-by: Ian Abbott <[email protected]> > Signed-off-by: Greg Kroah-Hartman <[email protected]> > --- > drivers/staging/comedi/comedi_fops.c | 2 ++ > 1 file changed, 2 insertions(+)
Applied, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
