Patch from Tito to fix memory leak upon error.

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 21a657dfc66cfd0dd8c3dd48f54f7ef85868020e..49823fa7f3e3a1fa9d9b05d33188a082b1a17f4e 100644 (file)
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -24,8 +24,9 @@ extern char *xreadlink(const char *path)
                buf = xrealloc(buf, bufsize += GROWBY);
                readsize = readlink(path, buf, bufsize); /* 1st try */
                if (readsize == -1) {
-                   bb_perror_msg("%s", path);
-                   return NULL;
+                       bb_perror_msg("%s", path);
+                       free(buf);
+                       return NULL;
                }
        }
        while (bufsize < readsize + 1);