extmod/vfs_reader: Fix use of NLR by popping context.

dpgeorge · dpgeorge · commit c30b308492dd · 2017-01-30T22:26:54.000+11:00
diff --git a/extmod/vfs_reader.c b/extmod/vfs_reader.c
@@ -81,6 +81,7 @@ int mp_reader_new_file(mp_reader_t *reader, const char *filename) {
         rf->file = mp_vfs_open(1, &arg, (mp_map_t*)&mp_const_empty_map);
         int errcode;
         rf->len = mp_stream_rw(rf->file, rf->buf, sizeof(rf->buf), &errcode, MP_STREAM_RW_READ | MP_STREAM_RW_ONCE);
+        nlr_pop();
         if (errcode != 0) {
             return errcode;
         }

Original file line number	Diff line number	Diff line change
`@@ -81,6 +81,7 @@ int mp_reader_new_file(mp_reader_t reader, const char filename) {`
`81`	`81`	`rf->file = mp_vfs_open(1, &arg, (mp_map_t*)&mp_const_empty_map);`
`82`	`82`	`int errcode;`
`83`	`83`	`rf->len = mp_stream_rw(rf->file, rf->buf, sizeof(rf->buf), &errcode, MP_STREAM_RW_READ \| MP_STREAM_RW_ONCE);`
	`84`	`+ nlr_pop();`
`84`	`85`	`if (errcode != 0) {`
`85`	`86`	`return errcode;`
`86`	`87`	`}`