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regulator: irq_helpers: duplicate IRQ name

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The regulator IRQ helper requires caller to provide pointer to IRQ name
which is kept in memory by caller. All other data passed to the helper
in the regulator_irq_desc structure is copied. This can cause some
confusion and unnecessary complexity.

Make the regulator_irq_helper() to copy also the provided IRQ name
information so caller can discard the name after the call to
regulator_irq_helper() completes.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://msgid.link/r/ZhJMuUYwaZbBXFGP@drtxq0yyyyyyyyyyyyydy-3.rev.dnainternet.fi
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Matti Vaittinen 2024-04-07 10:35:21 +03:00 committed by Mark Brown
parent fec50db703
commit 7ab681dded
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GPG key ID: 24D68B725D5487D0
1 changed files with 3 additions and 0 deletions
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3
drivers/regulator/irq_helpers.c
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@ -352,6 +352,9 @@ void *regulator_irq_helper(struct device *dev,
h->irq = irq;
h->desc = *d;
h->desc.name = devm_kstrdup(dev, d->name, GFP_KERNEL);
if (!h->desc.name)
return ERR_PTR(-ENOMEM);
ret = init_rdev_state(dev, h, rdev, common_errs, per_rdev_errs,
rdev_amount);