diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2021-11-25 19:30:07 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2021-12-06 14:42:25 +0100 |
| commit | 97aa7468f697383e0ed5babd1168aaed8a660dc0 (patch) | |
| tree | 6cfd80a84090a9d9a12ba30ab6385613e6a99d78 | |
| parent | a60bffe536f90834ddedc0ed4ddf81af943eb061 (diff) | |
s390/vmcp: use page_to_virt instead of page_to_phys
Fix wrong usage of page_to_phys/phys_to_page.
Note: this currently doesn't fix a real bug, since virtual addresses
are indentical to physical ones.
Acked-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
| -rw-r--r-- | drivers/s390/char/vmcp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 9e066281e2d0..4cebfaaa22b4 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -72,7 +72,7 @@ static void vmcp_response_alloc(struct vmcp_session *session) if (order > 2) page = cma_alloc(vmcp_cma, nr_pages, 0, false); if (page) { - session->response = (char *)page_to_phys(page); + session->response = (char *)page_to_virt(page); session->cma_alloc = 1; return; } @@ -89,7 +89,7 @@ static void vmcp_response_free(struct vmcp_session *session) order = get_order(session->bufsize); nr_pages = ALIGN(session->bufsize, PAGE_SIZE) >> PAGE_SHIFT; if (session->cma_alloc) { - page = phys_to_page((unsigned long)session->response); + page = virt_to_page((unsigned long)session->response); cma_release(vmcp_cma, page, nr_pages); session->cma_alloc = 0; } else { |