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driver core: platform: Make use of the helper function dev_err_probe() 

When possible using dev_err_probe() helps to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211105071509.969-1-caihuoqing@baidu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cai Huoqing 2021-11-05 15:15:09 +08:00 committed by Greg Kroah-Hartman
parent a6914afcdf
commit 2043727c28
1 changed files with 3 additions and 2 deletions
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5
drivers/base/platform.c
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@ -258,8 +258,9 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
int ret;
ret = platform_get_irq_optional(dev, num);
if (ret < 0 && ret != -EPROBE_DEFER)
dev_err(&dev->dev, "IRQ index %u not found\n", num);
if (ret < 0)
return dev_err_probe(&dev->dev, ret,
"IRQ index %u not found\n", num);
return ret;
}