Fix NULL pointer dereference in lib/json.c. (#1220)

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/json.c b/lib/json.c
index cbd6eaad..24288f94 100644
--- a/lib/json.c
+++ b/lib/json.c
@@ -508,7 +508,7 @@ whitespace:
 
 				case ']':
 
-					if (top->type == json_array) {
+					if (top && top->type == json_array) {
 						flags = (flags & ~(flag_need_comma | flag_seek_value)) | flag_next;
 					} else {              sprintf(error, "%d:%d: Unexpected ]", cur_line, e_off);
 						              goto e_failed; }