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authorIngo Molnar <mingo@kernel.org>2022-01-08 10:53:57 +0100
committerIngo Molnar <mingo@kernel.org>2022-01-08 10:53:57 +0100
commit0422fe2666aea4c0986f4c89dc107731aa6a7a81 (patch)
tree1d42a146a738fb933f061424751755e630aeccb0 /drivers/tty/serial/liteuart.c
parent4b3ddc6462e83452182177b48c4bc53607acd68e (diff)
parentd1587f7bfe9a0f97a75d42ac1489aeda551106bc (diff)
Merge branch 'linus' into irq/core, to fix conflict
Conflicts: drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/serial/liteuart.c')
-rw-r--r--drivers/tty/serial/liteuart.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index dbc0559a9157..2941659e5274 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -270,8 +270,10 @@ static int liteuart_probe(struct platform_device *pdev)
/* get membase */
port->membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
- if (IS_ERR(port->membase))
- return PTR_ERR(port->membase);
+ if (IS_ERR(port->membase)) {
+ ret = PTR_ERR(port->membase);
+ goto err_erase_id;
+ }
/* values not from device tree */
port->dev = &pdev->dev;
@@ -285,7 +287,18 @@ static int liteuart_probe(struct platform_device *pdev)
port->line = dev_id;
spin_lock_init(&port->lock);
- return uart_add_one_port(&liteuart_driver, &uart->port);
+ platform_set_drvdata(pdev, port);
+
+ ret = uart_add_one_port(&liteuart_driver, &uart->port);
+ if (ret)
+ goto err_erase_id;
+
+ return 0;
+
+err_erase_id:
+ xa_erase(&liteuart_array, uart->id);
+
+ return ret;
}
static int liteuart_remove(struct platform_device *pdev)
@@ -293,6 +306,7 @@ static int liteuart_remove(struct platform_device *pdev)
struct uart_port *port = platform_get_drvdata(pdev);
struct liteuart_port *uart = to_liteuart_port(port);
+ uart_remove_one_port(&liteuart_driver, port);
xa_erase(&liteuart_array, uart->id);
return 0;