4.18-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Sverdlin alexander.sverdlin@nokia.com
[ Upstream commit b29330d829042512fabb2bfa3bbfa32df1115594 ]
Don't dispose IRQ mapping before it has been created.
Fixes: aa9594740 ("serial: 8250_of: Add IO space support") Signed-off-by: Alexander Sverdlin alexander.sverdlin@nokia.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/tty/serial/8250/8250_of.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -124,7 +124,7 @@ static int of_platform_serial_setup(stru dev_warn(&ofdev->dev, "unsupported reg-io-width (%d)\n", prop); ret = -EINVAL; - goto err_dispose; + goto err_unprepare; } } port->flags |= UPF_IOREMAP;