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According to the description of platform_get_irq()
* Return: non-zero IRQ number on success,
negative error number on failure.
and the code, platform_get_irq() will return -EINVAL
instead of IRQ0.
So platform_get_irq() no longer returns 0, there is no
need to check whether the return value is 0.
Found by Smatch:
drivers/usb/dwc3/host.c:60 dwc3_host_get_irq()
warn: platform_get_irq() does not return zero
Signed-off-by: Mingxuan Xiang <mx_xiang@hust.edu.cn>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20230324060934.1686859-1-mx_xiang@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
db2c2b161d