recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.2/0109-cx23885-dvb-check-if-dvb_attach-succeded.patch

   1 From eba71ad513d0aaab1592c2a0f96689fb99e84358 Mon Sep 17 00:00:00 2001
   2 From: Miroslav Slugen <thunder.mmm@gmail.com>
   3 Date: Sun, 11 Dec 2011 18:57:58 -0300
   4 Subject: [PATCH 109/130] cx23885-dvb: check if dvb_attach() succeded
   5
   6 commit a7c8aadad39428b64d26c3971d967f8314e2397d upstream.
   7
   8 Fix possible null dereference for Leadtek DTV 3200H
   9 XC4000 tuner when no firmware file available.
  10
  11 Signed-off-by: Miroslav Slugen <thunder.mmm@gmail.com>
  12 Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
  13 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
  14 ---
  15  drivers/media/video/cx23885/cx23885-dvb.c |    5 +++++
  16  1 file changed, 5 insertions(+)
  17
  18 diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
  19 index bcb45be..f0482b2 100644
  20 --- a/drivers/media/video/cx23885/cx23885-dvb.c
  21 +++ b/drivers/media/video/cx23885/cx23885-dvb.c
  22 @@ -940,6 +940,11 @@ static int dvb_register(struct cx23885_tsport *port)
  23
  24                         fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
  25                                         &dev->i2c_bus[1].i2c_adap, &cfg);
  26 +                       if (!fe) {
  27 +                               printk(KERN_ERR "%s/2: xc4000 attach failed\n",
  28 +                                      dev->name);
  29 +                               goto frontend_detach;
  30 +                       }
  31                 }
  32                 break;
  33         case CX23885_BOARD_TBS_6920:
  34 --
  35 1.7.9.4
  36