[PATCH] serial: uartps: Fix error path when alloc failed

From: Michal Simek
Date: Wed Dec 05 2018 - 08:21:10 EST


When cdns_uart_console allocation failed there is a need to also clear
ID from ID list.

Fixes: ae1cca3fa347 ("serial: uartps: Change uart ID port allocation")
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---

drivers/tty/serial/xilinx_uartps.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 9cdc36be5b13..c6d38617d622 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1508,8 +1508,10 @@ static int cdns_uart_probe(struct platform_device *pdev)
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
cdns_uart_console = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_console),
GFP_KERNEL);
- if (!cdns_uart_console)
- return -ENOMEM;
+ if (!cdns_uart_console) {
+ rc = -ENOMEM;
+ goto err_out_id;
+ }

strncpy(cdns_uart_console->name, CDNS_UART_TTY_NAME,
sizeof(cdns_uart_console->name));
--
1.9.1