From f02ab90ca9c8493832841b0bea0dd43ea9fbcbce Mon Sep 17 00:00:00 2001
From: Wang Han <416810799@qq.com>
Date: Tue, 25 Mar 2025 21:09:29 +0800
Subject: [PATCH] Fix su --shell argument handling (#2529)

This fixes https://github.com/tiann/KernelSU/issues/2523.
---
 userspace/ksud/src/su.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/userspace/ksud/src/su.rs b/userspace/ksud/src/su.rs
index 8d79c6ca..50c458ab 100644
--- a/userspace/ksud/src/su.rs
+++ b/userspace/ksud/src/su.rs
@@ -104,10 +104,11 @@ pub fn root_shell() -> Result<()> {
         "preserve-environment",
         "preserve the entire environment",
     );
-    opts.optflag(
+    opts.optopt(
         "s",
         "shell",
         "use SHELL instead of the default /system/bin/sh",
+        "SHELL",
     );
     opts.optflag("v", "version", "display version number and exit");
     opts.optflag("V", "", "display version code and exit");