[PATCH net-next 06/10] s390/qeth: use u64_to_user_ptr() in the OAT code

Julian Wiedmann
2020-07-14T14:23:21Z

Use the correct helper for casting to a user pointer.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
drivers/s390/net/qeth_core_main.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index bd6489d87ede..31fa9ffc7cf4 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -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)) {
--
2.17.1