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tty: serial: xilinx_uartps: Do not check for 0 return after calling platform_get_irq()

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Since commit a85a6c86c2 ("driver core: platform: Clarify that
IRQ 0 is invalid"), there is no possible for
platform_get_irq() to return 0. Use the return value
from platform_get_irq().

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230803091712.596987-1-ruanjinjie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ruan Jinjie 2023-08-03 17:17:12 +08:00 committed by Greg Kroah-Hartman
parent 8b66eec1fd
commit 2c2d01a9f7
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/xilinx_uartps.c
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@ -1562,8 +1562,8 @@ static int cdns_uart_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
rc = -ENXIO;
if (irq < 0) {
rc = irq;
goto err_out_clk_disable;
}