From 0248e43bc77b1ee5cb0d9884ec96c6569a479ba9 Mon Sep 17 00:00:00 2001 From: Ralph Metzler Date: Fri, 12 Apr 2019 20:11:27 +0200 Subject: [PATCH] use correct i2c num entry --- ddbridge/ddbridge-core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/ddbridge/ddbridge-core.c b/ddbridge/ddbridge-core.c index 8fa2131..d540e92 100644 --- a/ddbridge/ddbridge-core.c +++ b/ddbridge/ddbridge-core.c @@ -3495,9 +3495,11 @@ static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct i2c_adapter *adap; u8 *mbuf, *hbuf = &dev->iobuf[0]; + if (!dev->link[0].info->regmap->i2c) + return -EINVAL; if (copy_from_user(&i2c, parg, sizeof(i2c))) return -EFAULT; - if (i2c.bus > dev->link[0].info->regmap->i2c->num) + if (i2c.bus > dev->i2c_num) return -EINVAL; if (i2c.mlen + i2c.hlen > 512) return -EINVAL; @@ -3521,7 +3523,7 @@ static long ddb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (copy_from_user(&i2c, parg, sizeof(i2c))) return -EFAULT; - if (i2c.bus > dev->link[0].info->regmap->i2c->num) + if (i2c.bus > dev->i2c_num) return -EINVAL; if (i2c.mlen + i2c.hlen > 250) return -EINVAL;