[PATCH hyperv-next v3 09/15] Drivers: hv: Use memunmap() to check if the address is in IO map

[Roman Kisel]

It might happen that some hyp SynIC pages aren't IO mapped.

Use memunmap() that checks for that and only then calls iounmap()

Signed-off-by: Roman Kisel <rom...@linux.microsoft.com>
---
 drivers/hv/hv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 6a4857def82d..9a66656d89e0 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -358,7 +358,7 @@ void hv_synic_disable_regs(unsigned int cpu)
         */
        simp.simp_enabled = 0;
        if (ms_hyperv.paravisor_present || hv_root_partition()) {
-               iounmap(hv_cpu->hyp_synic_message_page);
+               memunmap(hv_cpu->hyp_synic_message_page);
                hv_cpu->hyp_synic_message_page = NULL;
        } else {
                simp.base_simp_gpa = 0;
@@ -370,7 +370,7 @@ void hv_synic_disable_regs(unsigned int cpu)
        siefp.siefp_enabled = 0;
 
        if (ms_hyperv.paravisor_present || hv_root_partition()) {
-               iounmap(hv_cpu->hyp_synic_event_page);
+               memunmap(hv_cpu->hyp_synic_event_page);
                hv_cpu->hyp_synic_event_page = NULL;
        } else {
                siefp.base_siefp_gpa = 0;
-- 
2.43.0