From 9f969ee18d63959568235a53f5848128c52526d4 Mon Sep 17 00:00:00 2001
From: Praveen K Paladugu <prapal@linux.microsoft.com>
Date: Tue, 11 Jun 2024 15:22:37 +0000
Subject: [PATCH] vmm: Use cloned fd to check if dev is a tty

While checking if the console device is a tty use the cloned fd instead
of libc::STDOUT_FILENO.

Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com>
---
 vmm/src/console_devices.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vmm/src/console_devices.rs b/vmm/src/console_devices.rs
index 78947d0ed..e48dc311e 100644
--- a/vmm/src/console_devices.rs
+++ b/vmm/src/console_devices.rs
@@ -205,7 +205,7 @@ pub(crate) fn pre_create_console_devices(vmm: &mut Vmm) -> ConsoleDeviceResult<C
             let stdout = unsafe { File::from_raw_fd(stdout) };
 
             // SAFETY: FFI call. Trivially safe.
-            if unsafe { libc::isatty(libc::STDOUT_FILENO) } == 1 {
+            if unsafe { libc::isatty(stdout.as_raw_fd()) } == 1 {
                 vmm.console_resize_pipe = Some(
                     listen_for_sigwinch_on_tty(
                         stdout.try_clone().unwrap(),
@@ -254,7 +254,7 @@ pub(crate) fn pre_create_console_devices(vmm: &mut Vmm) -> ConsoleDeviceResult<C
             let stdout = unsafe { File::from_raw_fd(stdout) };
 
             // SAFETY: FFI call. Trivially safe.
-            if unsafe { libc::isatty(libc::STDOUT_FILENO) } == 1 {
+            if unsafe { libc::isatty(stdout.as_raw_fd()) } == 1 {
                 vmm.console_resize_pipe = Some(
                     listen_for_sigwinch_on_tty(
                         stdout.try_clone().unwrap(),