iommu/amd: Check return value of mmu_notifier_register()

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Аdded a return value check for the function
mmu_notifier_register().

Return value of a function 'mmu_notifier_register'
called at iommu_v2.c:642 is not checked,
 but it is usually checked for this function

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Denis Arefev <arefev@swemel.ru>
Link: https://lore.kernel.org/r/20221118104252.122809-1-arefev@swemel.ru
[joro: Fix commit message ]
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Denis Arefev 2022-11-18 13:42:52 +03:00 • committed by Joerg Roedel

parent 6cf0981c22

commit b09b56734f

1 changed files with 3 additions and 1 deletions

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drivers/iommu/amd/iommu_v2.c

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