evie/android_kernel_oneplus_msm8998
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Merge "ion: system_secure_heap: Add additional argument verification for ioctl"

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Linux Build Service Account 2016-08-18 12:04:30 -07:00 • committed by Gerrit - the friendly Code Review server
commit 480a4a9819
1 changed files with 6 additions and 0 deletions
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6
drivers/staging/android/ion/ion_system_secure_heap.c
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@ -202,6 +202,9 @@ static int alloc_prefetch_info(
if (!is_secure_vmid_valid(get_secure_vmid(vmid)))
return -EINVAL;
if (nr_sizes > 0x10)
return -EINVAL;
for (i = 0; i < nr_sizes; i++) {
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info)
@ -235,6 +238,9 @@ int ion_system_secure_heap_prefetch(struct ion_heap *heap, void *ptr)
if ((int)heap->type != ION_HEAP_TYPE_SYSTEM_SECURE)
return -EINVAL;
if (data->nr_regions > 0x10)
return -EINVAL;
for (i = 0; i < data->nr_regions; i++) {
ret = alloc_prefetch_info(&data->regions[i], &items);
if (ret)