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serial: uartps: Fix error path when alloc failed 

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

Fixes: ae1cca3fa3 ("serial: uartps: Change uart ID port allocation")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michal Simek 2018-12-18 13:18:41 +01:00 committed by Greg Kroah-Hartman
parent 82b1b2ec5d
commit 32cf21ac4e
1 changed files with 4 additions and 2 deletions
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6
drivers/tty/serial/xilinx_uartps.c
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@ -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));