5.4-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Gordeev agordeev@linux.ibm.com
[ 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@linux.ibm.com Reviewed-by: Alexandra Winter wintera@linux.ibm.com Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 f0364649186b9..dc85973479284 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -1136,8 +1136,7 @@ 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; }