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-rw-r--r--src/parse/mq.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/parse/mq.c b/src/parse/mq.c
index 7c1286f..cb9345d 100644
--- a/src/parse/mq.c
+++ b/src/parse/mq.c
@@ -1098,6 +1098,10 @@ css_error css_parse_media_query(lwc_string **strings,
},
};
+ if (mq == NULL || len == 0) {
+ return CSS_BADPARM;
+ }
+
err = css__parser_create_for_media_query(NULL,
CSS_CHARSET_DEFAULT, &parser);
if (err != CSS_OK) {