tree aa27f53e2b2eab9a82c4ab00b53e02430a3339c5
parent e58e415968110648231ed6783d38e78032661cee
author Wei Yongjun <weiyongjun1@huawei.com> 1478011552 +0000
committer David S. Miller <davem@davemloft.net> 1478016793 -0400

genetlink: fix error return code in genl_register_family()

Fix to return a negative error code from the idr_alloc() error handling
case instead of 0, as done elsewhere in this function.

Also fix the return value check of idr_alloc() since idr_alloc return
negative errors on failure, not zero.

Fixes: 2ae0f17df1cd ("genetlink: use idr to track families")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>