1 files changed, 6 insertions, 1 deletions

diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 7ed06a7399d5..f180813ce2c7 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -281,7 +281,12 @@ void register_winch(int fd, struct tty_struct *tty)
                 return;
 
         pid = tcgetpgrp(fd);
-        if (!is_skas_winch(pid, fd, tty) && (pid == -1)) {
+        if (is_skas_winch(pid, fd, tty)) {
+                register_winch_irq(-1, fd, -1, tty, 0);
+                return;
+        }
+
+        if (pid == -1) {
                 thread = winch_tramp(fd, tty, &thread_fd, &stack);
                 if (thread < 0)
                         return;