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X25 remove bkl in call user data length ioctl 

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
wifi-calibration
andrew hendry 2010-11-25 02:18:45 +00:00 committed by David S. Miller
parent 74a7e44080
commit 3f0a069a1d
1 changed files with 6 additions and 5 deletions
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11
net/x25/af_x25.c
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@ -1562,19 +1562,20 @@ out_dtefac_release:
case SIOCX25SCUDMATCHLEN: {
struct x25_subaddr sub_addr;
rc = -EINVAL;
lock_kernel();
lock_sock(sk);
if(sk->sk_state != TCP_CLOSE)
break;
goto out_cud_release;
rc = -EFAULT;
if (copy_from_user(&sub_addr, argp,
sizeof(sub_addr)))
break;
goto out_cud_release;
rc = -EINVAL;
if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
break;
goto out_cud_release;
x25->cudmatchlength = sub_addr.cudmatchlength;
unlock_kernel();
rc = 0;
out_cud_release:
release_sock(sk);
break;
}