From: Eric Biggers <ebiggers3@gmail.com>
Date: Wed, 28 Jan 2015 02:58:28 +0000 (-0600)
Subject: extract.c: check for empty extraction list
X-Git-Tag: v1.8.0~45
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=465a76356bbac48a658da7cdc14b1bb764d91a29

extract.c: check for empty extraction list
---

diff --git a/src/extract.c b/src/extract.c
index 9d65bef8..c61dac76 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -1473,6 +1473,11 @@ extract_trees(WIMStruct *wim, struct wim_dentry **trees, size_t num_trees,
 	if (ret)
 		goto out_cleanup;
 
+	if (unlikely(list_empty(&dentry_list))) {
+		WARNING("There is nothing to extract!");
+		goto out_cleanup;
+	}
+
 	ret = dentry_list_resolve_streams(&dentry_list, ctx);
 	if (ret)
 		goto out_cleanup;