On Tue, Dec 24, 2013 at 03:39:50PM +0100, Geert Uytterhoeven wrote: > On Fri, Nov 22, 2013 at 4:47 PM, Geert Uytterhoeven > <[email protected]> wrote: > > When booting a multi-platform m68k kernel on a non-Mac with "console=ttyS0" > > on the kernel command line, it crashes with: > > Can we please get this in stable, too? > > commit dc1dc2f8a5dd863bf2e79f338fc3ae29e99c683a > > Thanks!
Thanks Geert, I'm queuing it for the 3.5 and 3.11 kernels as well. Cheers, -- Luis > > Unable to handle kernel NULL pointer dereference at virtual address (null) > > Oops: 00000000 > > PC: [<0013ad28>] __pmz_startup+0x32/0x2a0 > > ... > > Call Trace: [<002c5d3e>] pmz_console_setup+0x64/0xe4 > > > > The normal tty driver doesn't crash, because init_pmz() checks > > pmz_ports_count again after calling pmz_probe(). > > > > In the serial console initialization path, pmz_console_init() doesn't do > > this, causing the driver to crash later. > > > > Add a check for pmz_ports_count to fix this. > > > > Signed-off-by: Geert Uytterhoeven <[email protected]> > > Cc: Finn Thain <[email protected]> > > Cc: Benjamin Herrenschmidt <[email protected]> > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- > [email protected] > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like > that. > -- Linus Torvalds > -- > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
