[Xen-devel] [PATCH v7 9/9] libxl: ocaml: add some missing CAML macros

[Rob Hoes <rob.hoes@xxxxxxxxxx>]

Signed-off-by: Rob Hoes <rob.hoes@xxxxxxxxxx>
Acked-by: David Scott <dave.scott@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/ocaml/libs/xl/xenlight_stubs.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/ocaml/libs/xl/xenlight_stubs.c 
b/tools/ocaml/libs/xl/xenlight_stubs.c
index 48a3feb..a923694 100644
--- a/tools/ocaml/libs/xl/xenlight_stubs.c
+++ b/tools/ocaml/libs/xl/xenlight_stubs.c
@@ -59,6 +59,7 @@ static value Val_error (libxl_error error_c);
 
 static void failwith_xl(int error, char *fname)
 {
+       CAMLparam0();
        CAMLlocal1(arg);
        static value *exc = NULL;
 
@@ -75,6 +76,7 @@ static void failwith_xl(int error, char *fname)
        Store_field(arg, 1, caml_copy_string(fname));
 
        caml_raise_with_arg(*exc, arg);
+       CAMLreturn0;
 }
 
 CAMLprim value stub_raise_exception(value unit)
@@ -338,7 +340,7 @@ static libxl_defbool Defbool_val(value v)
                bool b = Bool_val(Some_val(v));
                libxl_defbool_set(&db, b);
        }
-       return db;
+       CAMLreturnT(libxl_defbool, db);
 }
 
 static value Val_hwcap(libxl_hwcap *c_val)
@@ -369,10 +371,11 @@ static value Val_string_option(const char *c_val)
 
 static char *String_option_val(value v)
 {
+       CAMLparam1(v);
        char *s = NULL;
        if (v != Val_none)
                s = dup_String_val(Some_val(v));
-       return s;
+       CAMLreturnT(char *, s);
 }
 
 #include "_libxl_types.inc"
-- 
1.7.10.4


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