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Koen Kooi
189ce92b4c
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 3fcecb64e1ce21bda3d69718f0fefa1ed0d7f06b Mon Sep 17 00:00:00 2001
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From: Miroslav Slugen <thunder.mmm@gmail.com>
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Date: Sun, 11 Dec 2011 18:57:58 -0300
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Subject: [PATCH 109/129] cx23885-dvb: check if dvb_attach() succeded
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commit a7c8aadad39428b64d26c3971d967f8314e2397d upstream.
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Fix possible null dereference for Leadtek DTV 3200H
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XC4000 tuner when no firmware file available.
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Signed-off-by: Miroslav Slugen <thunder.mmm@gmail.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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---
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drivers/media/video/cx23885/cx23885-dvb.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
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index bcb45be..f0482b2 100644
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--- a/drivers/media/video/cx23885/cx23885-dvb.c
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+++ b/drivers/media/video/cx23885/cx23885-dvb.c
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@@ -940,6 +940,11 @@ static int dvb_register(struct cx23885_tsport *port)
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fe = dvb_attach(xc4000_attach, fe0->dvb.frontend,
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&dev->i2c_bus[1].i2c_adap, &cfg);
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+ if (!fe) {
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+ printk(KERN_ERR "%s/2: xc4000 attach failed\n",
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+ dev->name);
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+ goto frontend_detach;
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+ }
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}
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break;
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case CX23885_BOARD_TBS_6920:
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--
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1.7.9.5
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