target/ppc: pass const string to kvmppc_is_mem_backend_page_size_ok()

This function has three implementations. Two are stubs that do nothing
and the third one only passes the obj_path argument to:

Object *object_resolve_path(const char *path, bool *ambiguous);

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
(cherry picked from commit ec69355beffe138c0f97306e65410e5dbc605554)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

2 files changed, 4 insertions, 4 deletions

diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index 9f1f132cef..89f3586cc6 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -415,7 +415,7 @@ static void kvm_fixup_page_sizes(PowerPCCPU *cpu)
     }
 }
 
-bool kvmppc_is_mem_backend_page_size_ok(char *obj_path)
+bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
 {
     Object *mem_obj = object_resolve_path(obj_path, NULL);
     char *mempath = object_property_get_str(mem_obj, "mem-path", NULL);
@@ -436,7 +436,7 @@ static inline void kvm_fixup_page_sizes(PowerPCCPU *cpu)
 {
 }
 
-bool kvmppc_is_mem_backend_page_size_ok(char *obj_path)
+bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
 {
     return true;
 }
diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
index 8e9f42d0c6..eec5cca883 100644
--- a/target/ppc/kvm_ppc.h
+++ b/target/ppc/kvm_ppc.h
@@ -57,7 +57,7 @@ int kvmppc_enable_hwrng(void);
 int kvmppc_put_books_sregs(PowerPCCPU *cpu);
 PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void);
 
-bool kvmppc_is_mem_backend_page_size_ok(char *obj_path);
+bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path);
 
 #else
 
@@ -191,7 +191,7 @@ static inline uint64_t kvmppc_rma_size(uint64_t current_size,
     return ram_size;
 }
 
-static inline bool kvmppc_is_mem_backend_page_size_ok(char *obj_path)
+static inline bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path)
 {
     return true;
 }