iommu: Remove extra NULL check when call strtobool()

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strtobool() does check for NULL parameter already. No need to repeat.

While here, switch to kstrtobool() and unshadow actual error code
(which is still -EINVAL).

No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Andy Shevchenko 2018-05-14 19:22:25 +03:00 • committed by Joerg Roedel

parent 48e6f7652d

commit 7f9584df84

1 changed files with 4 additions and 2 deletions

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drivers/iommu/iommu.c

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