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authorKees Cook <keescook@chromium.org>2015-07-25 02:27:57 +0300
committerJoerg Roedel <jroedel@suse.de>2015-08-03 17:15:47 +0300
commit2439d4aa9247f4c94351d0cf7d75c16146785eb8 (patch)
tree9408513d7a0fa50c91de5f32223c46ac41e28269 /drivers/iommu/dmar.c
parent74d33293e467df61de1b1d8b2fbe29e550dec33b (diff)
downloadlinux-2439d4aa9247f4c94351d0cf7d75c16146785eb8.tar.xz
iommu/vt-d: Avoid format string leaks into iommu_device_create
This makes sure it won't be possible to accidentally leak format strings into iommu device names. Current name allocations are safe, but this makes the "%s" explicit. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/dmar.c')
-rw-r--r--drivers/iommu/dmar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index c9db04d4ef39..8757f8dfc4e5 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1068,7 +1068,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
if (intel_iommu_enabled)
iommu->iommu_dev = iommu_device_create(NULL, iommu,
intel_iommu_groups,
- iommu->name);
+ "%s", iommu->name);
return 0;