xfrm_user: fix return value from xfrm_user_rcv_msg
authorYi Zhao <yi.zhao@windriver.com>
Tue, 29 Nov 2016 10:09:01 +0000 (18:09 +0800)
committerSteffen Klassert <steffen.klassert@secunet.com>
Wed, 30 Nov 2016 09:58:53 +0000 (10:58 +0100)
It doesn't support to run 32bit 'ip' to set xfrm objdect on 64bit host.
But the return value is unknown for user program:

ip xfrm policy list
RTNETLINK answers: Unknown error 524

Replace ENOTSUPP with EOPNOTSUPP:

ip xfrm policy list
RTNETLINK answers: Operation not supported

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
net/xfrm/xfrm_user.c

index 08892091cfe3a65c13994b2743586f5137c89fd9..671a1d0333f0d2c828c757944016cbe48836ec72 100644 (file)
@@ -2450,7 +2450,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 
 #ifdef CONFIG_COMPAT
        if (in_compat_syscall())
-               return -ENOTSUPP;
+               return -EOPNOTSUPP;
 #endif
 
        type = nlh->nlmsg_type;