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[media] saa7134: check register address in g_register 

Prevent reading out-of-range register values.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-05-29 06:59:59 -03:00 committed by Mauro Carvalho Chehab
parent 29d6a98b33
commit b830070242
1 changed files with 2 additions and 2 deletions
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4
drivers/media/pci/saa7134/saa7134-video.c
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@ -2258,7 +2258,7 @@ static int vidioc_g_register (struct file *file, void *priv,
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
reg->val = saa_readb(reg->reg);
reg->val = saa_readb(reg->reg & 0xffffff);
reg->size = 1;
return 0;
}
@ -2269,7 +2269,7 @@ static int vidioc_s_register (struct file *file, void *priv,
struct saa7134_fh *fh = priv;
struct saa7134_dev *dev = fh->dev;
saa_writeb(reg->reg&0xffffff, reg->val);
saa_writeb(reg->reg & 0xffffff, reg->val);
return 0;
}
#endif