diff options
| -rw-r--r-- | drivers/video/tegra/nvmap/nvmap_mm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/video/tegra/nvmap/nvmap_mm.c b/drivers/video/tegra/nvmap/nvmap_mm.c index 30994e681121..fbf510081be7 100644 --- a/drivers/video/tegra/nvmap/nvmap_mm.c +++ b/drivers/video/tegra/nvmap/nvmap_mm.c @@ -235,6 +235,15 @@ int nvmap_reserve_pages(struct nvmap_handle **handles, u32 *offsets, u32 *sizes, { int i; + /* validates all page params first */ + for (i = 0; i < nr; i++) { + u32 size = sizes[i] ? sizes[i] : handles[i]->size; + u32 offset = sizes[i] ? offsets[i] : 0; + + if ((offset != 0) || (size != handles[i]->size)) + return -EINVAL; + } + for (i = 0; i < nr; i++) { u32 size = sizes[i] ? sizes[i] : handles[i]->size; u32 offset = sizes[i] ? offsets[i] : 0; |