[PATCH v1 2/8] x86/xen: simplify xen_oldmem_pfn_is_ram()

From: David Hildenbrand
Date: Tue Sep 28 2021 - 14:24:00 EST


Let's simplify return handling.

Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
---
arch/x86/xen/mmu_hvm.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c
index b242d1f4b426..eb61622df75b 100644
--- a/arch/x86/xen/mmu_hvm.c
+++ b/arch/x86/xen/mmu_hvm.c
@@ -21,23 +21,16 @@ static int xen_oldmem_pfn_is_ram(unsigned long pfn)
.domid = DOMID_SELF,
.pfn = pfn,
};
- int ram;

if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a))
return -ENXIO;

switch (a.mem_type) {
case HVMMEM_mmio_dm:
- ram = 0;
- break;
- case HVMMEM_ram_rw:
- case HVMMEM_ram_ro:
+ return 0;
default:
- ram = 1;
- break;
+ return 1;
}
-
- return ram;
}
#endif

--
2.31.1