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Commit 7f9584df authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Joerg Roedel
Browse files

iommu: Remove extra NULL check when call strtobool() 



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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 48e6f765

drivers/iommu/iommu.c

+4 −2
Original line number Diff line number Diff line
@@ -116,9 +116,11 @@ static void __iommu_detach_group(struct iommu_domain *domain, 
static int __init iommu_set_def_domain_type(char *str)

{

	bool pt;

	int ret;



	if (!str || strtobool(str, &pt))

		return -EINVAL;

	ret = kstrtobool(str, &pt);

	if (ret)

		return ret;



	iommu_def_domain_type = pt ? IOMMU_DOMAIN_IDENTITY : IOMMU_DOMAIN_DMA;

	return 0;