Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-12-29 09:16:33 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

Browse Source 
[ 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 3979298b80
commit da6cc71ff6
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/iucv/iucv.c
View File

@ -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;
}