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Message-Id: <20250904023955.3892120-1-wozizhi@huaweicloud.com>
Date: Thu, 4 Sep 2025 10:39:55 +0800
From: Zizhi Wo <wozizhi@...weicloud.com>
To: gregkh@...uxfoundation.org,
jirislaby@...nel.org,
npitre@...libre.com
Cc: linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org,
yangerkun@...wei.com,
wozizhi@...weicloud.com
Subject: [PATCH -next] tty/vt: Add missing return value for VT_RESIZE in vt_ioctl()
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@...weicloud.com>
---
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 c9f11c4bd9fe..28993a3d0acb 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -908,7 +908,9 @@ 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;
}
}
break;
--
2.39.2
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