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misc/pvpanic-mmio: Fix error handling in 'pvpanic_mmio_probe()' 

There is no error handling path in the probe function.
Switch to managed resource so that errors in the probe are handled easily
and simplify the remove function accordingly.

Fixes: b3c0f87746 ("misc/pvpanic: probe multiple instances")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/2a5dab18f10db783b27e0579ba66cc38d610734a.1621665058.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2021-05-22 08:55:03 +02:00 committed by Greg Kroah-Hartman
parent b647ceb5a1
commit 9a3c72ee6f
1 changed files with 1 additions and 2 deletions
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3
drivers/misc/pvpanic/pvpanic-mmio.c
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@ -93,7 +93,7 @@ static int pvpanic_mmio_probe(struct platform_device *pdev)
return -EINVAL;
}
pi = kmalloc(sizeof(*pi), GFP_ATOMIC);
pi = devm_kmalloc(dev, sizeof(*pi), GFP_ATOMIC);
if (!pi)
return -ENOMEM;
@ -114,7 +114,6 @@ static int pvpanic_mmio_remove(struct platform_device *pdev)
struct pvpanic_instance *pi = dev_get_drvdata(&pdev->dev);
pvpanic_remove(pi);
kfree(pi);
return 0;
}