4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
[ Upstream commit 4e8477aeb46dfe74e829c06ea588dd00ba20c8cc ]
Fix IUCV_IPBUFLST-type buffers virtual vs physical address confusion.
This does not fix a bug since virtual and physical address spaces are
currently the same.
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Reviewed-by: Alexandra Winter <wintera@xxxxxxxxxxxxx>
Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/iucv/iucv.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 2f82a6f0992e4..b1ecf008fa507 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -1149,8 +1149,7 @@ static int iucv_message_receive_iprmdata(struct iucv_path *path,
size = (size < 8) ? size : 8;
for (array = buffer; size > 0; array++) {
copy = min_t(size_t, size, array->length);
- memcpy((u8 *)(addr_t) array->address,
- rmmsg, copy);
+ memcpy(phys_to_virt(array->address), rmmsg, copy);
rmmsg += copy;
size -= copy;
}
--
2.43.0
