fs-util: chase_symlinks(): prevent double free

Fixes CID #1385316.
2018-01-21 19:19:25 +09:00 · 2018-01-21 19:19:25 +09:00 · b539437a05
parent 2b6d2dda6b
commit b539437a05
1 changed files with 2 additions and 2 deletions
--- a/src/basic/fs-util.c
+++ b/src/basic/fs-util.c
@ -834,8 +834,6 @@ int chase_symlinks(const char *path, const char *original_root, unsigned flags,
                                if (fd < 0)
                                        return -errno;

-                                free(done);
-
                                if (flags & CHASE_SAFE) {
                                        if (fstat(fd, &st) < 0)
                                                return -errno;
@ -846,6 +844,8 @@ int chase_symlinks(const char *path, const char *original_root, unsigned flags,
                                        previous_stat = st;
                                }

+                                free(done);
+
                                /* Note that we do not revalidate the root, we take it as is. */
                                if (isempty(root))
                                        done = NULL;