Under Wayland, we should check WAYLAND_DISPLAY instead. Signed-off-by: Tiwei Bie <tiwei....@antgroup.com> --- arch/um/drivers/xterm.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index e4316c7981e8..f607af738eac 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -97,12 +97,9 @@ static int xterm_open(int input, int output, int primary, void *d, if (access(argv[4], X_OK) < 0) argv[4] = "port-helper"; - /* - * Check that DISPLAY is set, this doesn't guarantee the xterm - * will work but w/o it we can be pretty sure it won't. - */ - if (getenv("DISPLAY") == NULL) { - printk(UM_KERN_ERR "xterm_open: $DISPLAY not set.\n"); + /* Ensure we are running on Xorg or Wayland. */ + if (!getenv("DISPLAY") && !getenv("WAYLAND_DISPLAY")) { + printk(UM_KERN_ERR "xterm_open : neither $DISPLAY nor $WAYLAND_DISPLAY is set.\n"); return -ENODEV; } -- 2.34.1