exec: convert begin_new_exec() to FD_ADD()

Link: https://patch.msgid.link/20251123-work-fd-prepare-v4-21-b6efa1706cfd@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/exec.c b/fs/exec.c
index 6b70c67..621898a 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1280,10 +1280,9 @@ int begin_new_exec(struct linux_binprm * bprm)
 
        /* Pass the opened binary to the interpreter. */
        if (bprm->have_execfd) {
-               retval = get_unused_fd_flags(0);
+               retval = FD_ADD(0, bprm->executable);
                if (retval < 0)
                        goto out_unlock;
-               fd_install(retval, bprm->executable);
                bprm->executable = NULL;
                bprm->execfd = retval;
        }