sparc64: vcc: Fix error return code in vcc_probe()

[ Upstream commit ff62255a2a5c1228a28f2bb063646f948115a309 ]

Fix to return negative error code -ENOMEM from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200427122415.47416-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c
index d2a1e1228c82d0cafec86090760bcd6c1e853031..9ffd42e333b83f407b213d407d6f23094711adee 100644 (file)
--- a/drivers/tty/vcc.c
+++ b/drivers/tty/vcc.c
@@ -605,6 +605,7 @@ static int vcc_probe(struct vio_dev *vdev, const struct vio_device_id *id)
        port->index = vcc_table_add(port);
        if (port->index == -1) {
                pr_err("VCC: no more TTY indices left for allocation\n");
+               rv = -ENOMEM;
                goto free_ldc;
        }