6.12-stable review patch. If anyone has any objections, please let me know.
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From: Zizhi Wo wozizhi@huaweicloud.com
[ Upstream commit da7e8b3823962b13e713d4891e136a261ed8e6a2 ]
In vt_ioctl(), the handler for VT_RESIZE always returns 0, which prevents users from detecting errors. Add the missing return value so that errors can be properly reported to users like vt_resizex().
Signed-off-by: Zizhi Wo wozizhi@huaweicloud.com Link: https://lore.kernel.org/r/20250904023955.3892120-1-wozizhi@huaweicloud.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/vt/vt_ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 1f2bdd2e1cc59..387b691826623 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -923,7 +923,9 @@ int vt_ioctl(struct tty_struct *tty,
if (vc) { /* FIXME: review v tty lock */ - __vc_resize(vc_cons[i].d, cc, ll, true); + ret = __vc_resize(vc_cons[i].d, cc, ll, true); + if (ret) + return ret; } } console_unlock();