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s390/iucv: fix receive buffer virtual vs physical address confusion

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[ Upstream commit 4e8477aeb4 ]

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>
This commit is contained in:
Alexander Gordeev 2024-02-16 13:13:26 +01:00 committed by Greg Kroah-Hartman
parent 7ad21517c3
commit d8d4da5c68
1 changed files with 1 additions and 2 deletions
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3
net/iucv/iucv.c
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@ -1090,8 +1090,7 @@ static int iucv_message_receive_iprmdata(struct iucv_path *path,
size = (size < 8) ? size : 8; size = (size < 8) ? size : 8;
for (array = buffer; size > 0; array++) { for (array = buffer; size > 0; array++) {
copy = min_t(size_t, size, array->length); copy = min_t(size_t, size, array->length);
memcpy((u8 *)(addr_t) array->address, memcpy(phys_to_virt(array->address), rmmsg, copy);
rmmsg, copy);
rmmsg += copy; rmmsg += copy;
size -= copy; size -= copy;
} }