Return NULL if file doesnt open in deb_extract

git-svn-id: svn://busybox.net/trunk/busybox@3093 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 3 insertions, 1 deletions

diff --git a/libbb/unarchive.c b/libbb/unarchive.c
index 852bd06a8..d10e60cbb 100644
--- a/libbb/unarchive.c
+++ b/libbb/unarchive.c
@@ -568,7 +568,9 @@ char *deb_extract(const char *package_filename, FILE *out_stream,
 
         /* open the debian package to be worked on */
         deb_stream = wfopen(package_filename, "r");
-
+        if (deb_stream == NULL) {
+                return(NULL);
+        }
         /* set the buffer size */
         setvbuf(deb_stream, NULL, _IOFBF, 0x8000);