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authorAndrzej Hajda <[email protected]>2020-07-13 16:43:21 +0200
committerGreg Kroah-Hartman <[email protected]>2020-07-30 09:03:43 +0200
commita787e5400a1ceeb0ef92d71ec43aeb35b1fa1334 (patch)
tree3ce6478f5fa4385d4443507ad13231d123579c78 /scripts/gdb/linux
parent654888327e9f655a9d55ad477a9583e90e8c9b5c (diff)
driver core: add device probe log helper
During probe every time driver gets resource it should usually check for error printk some message if it is not -EPROBE_DEFER and return the error. This pattern is simple but requires adding few lines after any resource acquisition code, as a result it is often omitted or implemented only partially. dev_err_probe helps to replace such code sequences with simple call, so code: if (err != -EPROBE_DEFER) dev_err(dev, ...); return err; becomes: return dev_err_probe(dev, err, ...); Signed-off-by: Andrzej Hajda <[email protected]> Reviewed-by: Rafael J. Wysocki <[email protected]> Reviewed-by: Mark Brown <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
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