diff options
Diffstat (limited to 'drivers/net/mctp/mctp-i2c.c')
| -rw-r--r-- | drivers/net/mctp/mctp-i2c.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/mctp/mctp-i2c.c b/drivers/net/mctp/mctp-i2c.c index 470682c88d7e..baf7afac7857 100644 --- a/drivers/net/mctp/mctp-i2c.c +++ b/drivers/net/mctp/mctp-i2c.c @@ -537,6 +537,9 @@ static int mctp_i2c_header_create(struct sk_buff *skb, struct net_device *dev, struct mctp_hdr *mhdr; u8 lldst, llsrc; + if (len > MCTP_I2C_MAXMTU) + return -EMSGSIZE; + lldst = *((u8 *)daddr); llsrc = *((u8 *)saddr); @@ -547,8 +550,6 @@ static int mctp_i2c_header_create(struct sk_buff *skb, struct net_device *dev, hdr->dest_slave = (lldst << 1) & 0xff; hdr->command = MCTP_I2C_COMMANDCODE; hdr->byte_count = len + 1; - if (hdr->byte_count > MCTP_I2C_MAXBLOCK) - return -EMSGSIZE; hdr->source_slave = ((llsrc << 1) & 0xff) | 0x01; mhdr->ver = 0x01; |