]> git.baikalelectronics.ru Git - kernel.git/commit
iommu/arm-smmu: remove potential NULL dereference on mapping path
authorWill Deacon <will.deacon@arm.com>
Fri, 8 Nov 2013 15:08:06 +0000 (15:08 +0000)
committerWill Deacon <will.deacon@arm.com>
Fri, 6 Dec 2013 16:44:25 +0000 (16:44 +0000)
commitdeb62d02ae1917c240c312b07aff5b1e813ffe79
treef3d3a2c1858cc366ca123a3a7aaf49c4ac8778ad
parentce68066b16c4173e5e2a9257a35ec235c0b25106
iommu/arm-smmu: remove potential NULL dereference on mapping path

When handling mapping requests, we dereference the SMMU domain before
checking that it is NULL. This patch fixes the issue by removing the check
altogether, since we don't actually use the leaf_smmu when creating
mappings.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
drivers/iommu/arm-smmu.c