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tty: serial: xilinx_uartps: Do not check for 0 return after calling platform_get_irq()
author
Ruan Jinjie
<ruanjinjie@huawei.com>
Thu, 3 Aug 2023 09:17:12 +0000
(17:17 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Fri, 4 Aug 2023 13:06:01 +0000
(15:06 +0200)
Since commit
a85a6c86c25b
("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>
drivers/tty/serial/xilinx_uartps.c
patch
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diff --git
a/drivers/tty/serial/xilinx_uartps.c
b/drivers/tty/serial/xilinx_uartps.c
index
20a7516
..
2e5e86a
100644
(file)
--- a/
drivers/tty/serial/xilinx_uartps.c
+++ b/
drivers/tty/serial/xilinx_uartps.c
@@
-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;
}