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s390/qeth: use u64_to_user_ptr() in the OAT code 

Use the correct helper for casting to a user pointer.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2020-07-14 16:23:01 +02:00 committed by David S. Miller
parent 65878fd952
commit 2ccd31f8c2
1 changed files with 2 additions and 4 deletions
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6
drivers/s390/net/qeth_core_main.c
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@ -4907,10 +4907,8 @@ static int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_query_oat_cb,
&priv);
if (!rc) {
if (is_compat_task())
tmp = compat_ptr(oat_data.ptr);
else
tmp = (void __user *)(unsigned long)oat_data.ptr;
tmp = is_compat_task() ? compat_ptr(oat_data.ptr) :
u64_to_user_ptr(oat_data.ptr);
if (copy_to_user(tmp, priv.buffer,
priv.response_len)) {