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(parent: cafd254) | patch
amd_iommu: do not dereference a NULL pointer address.
authorMaurizio Lombardi <mlombard@redhat.com>
Thu, 11 Sep 2014 10:28:03 +0000 (12:28 +0200)
committerJoerg Roedel <jroedel@suse.de>
Thu, 25 Sep 2014 13:58:42 +0000 (15:58 +0200)
commit63eaa75e4362ac7981a7e619196a9c75fd03d717
tree59c26138350670efae84d3bd5dae773a543a01bftree | snapshot
parentcafd2545cfd36ef6fee14f9c36870b81d3c98de5commit | diff
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>
drivers/iommu/amd_iommu.c diff | blob | history
Domain: System / Kernel;