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path: root/src/tools/vppapigen/vppapigen_c.py
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-rw-r--r--src/tools/vppapigen/vppapigen_c.py16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py
index 9b16413f6d4..759d3325056 100644
--- a/src/tools/vppapigen/vppapigen_c.py
+++ b/src/tools/vppapigen/vppapigen_c.py
@@ -416,7 +416,7 @@ class FromJSON():
if o.lengthfield:
write(' s = u8string_fromjson(o, "{}");\n'
.format(o.fieldname))
- write(' if (!s) return 0;\n')
+ write(' if (!s) goto error;\n')
write(' {} = vec_len(s);\n'.format(lfield))
write(' {realloc} = realloc({realloc}, {msgsize} + '
@@ -427,7 +427,7 @@ class FromJSON():
write(' vec_free(s);\n')
else:
- write(' u8string_fromjson2(o, "{n}", a->{n});\n'
+ write(' if (u8string_fromjson2(o, "{n}", a->{n}) < 0) goto error;\n'
.format(n=o.fieldname))
return
@@ -438,7 +438,7 @@ class FromJSON():
call = ('vl_api_{t}_fromjson(e, &d[i]);'
.format(t=o.fieldtype))
else:
- call = ('{t}_fromjson({msgvar}, len, e, &d[i]); '
+ call = ('if ({t}_fromjson({msgvar}, len, e, &d[i]) < 0) goto error; '
.format(t=o.fieldtype, msgvar=msgvar))
write(forloop_vla.format(lfield=lfield,
t=o.fieldtype,
@@ -547,6 +547,7 @@ class FromJSON():
def print_define(self, o):
'''Convert JSON object to VPP API message'''
write = self.stream.write
+ error = 0
write('static inline vl_api_{name}_t *vl_api_{name}_t_fromjson '
'(cJSON *o, int *len) {{\n'.format(name=o.name))
write(' cJSON *item __attribute__ ((unused));\n')
@@ -563,14 +564,17 @@ class FromJSON():
write(' item = cJSON_GetObjectItem(o, "{}");\n'
.format(t.fieldname))
write(' if (!item) goto error;\n')
+ error += 1
self._dispatch[t.type](self, t, toplevel=True)
write('\n')
write(' *len = l;\n')
write(' return a;\n')
- write('\n error:\n')
- write(' free(a);\n')
- write(' return 0;\n')
+
+ if error:
+ write('\n error:\n')
+ write(' free(a);\n')
+ write(' return 0;\n')
write('}\n')
def print_using(self, o):