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authorMaurizio Lombardi <mlombard@redhat.com>2014-09-11 12:28:03 +0200
committerJoerg Roedel <jroedel@suse.de>2014-09-25 15:58:42 +0200
commit63eaa75e4362ac7981a7e619196a9c75fd03d717 (patch)
tree59c26138350670efae84d3bd5dae773a543a01bf /drivers/Makefile
parentcafd2545cfd36ef6fee14f9c36870b81d3c98de5 (diff)
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amd_iommu: do not dereference a NULL pointer address.
under low memory conditions, alloc_pte() may return a NULL pointer. iommu_map_page() does not check it and will panic the system. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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