diff options
| author | kenjchen <kenjchen@nvidia.com> | 2011-06-08 15:18:27 +0800 |
|---|---|---|
| committer | Niket Sirsi <nsirsi@nvidia.com> | 2011-06-23 23:46:34 -0700 |
| commit | 10a1f5547cbee156c6485b1e2d30b77ec3065c0f (patch) | |
| tree | f45eb4bc747e0fa9bca566309be419249888d7ba | |
| parent | f6a0c19eee9c0ac0a7de0ed623f39814a9471569 (diff) | |
video: tegra: nvmap: free vm_struct in nvmap_munmap()
In nvmap_munmap(), remove_vm_area just remove the allocated memory
page information. It doesn't de-allocate vm_struct. kfree()
should be used to avoid memory leak in nvmap.
Bug: 833796
Change-Id: Ibd0309c1ff323fb8110870ace27819f5a1e006ba
Reviewed-on: http://git-master/r/35638
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>
| -rw-r--r-- | drivers/video/tegra/nvmap/nvmap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/tegra/nvmap/nvmap.c b/drivers/video/tegra/nvmap/nvmap.c index 532b39f20cea..3d3a79450028 100644 --- a/drivers/video/tegra/nvmap/nvmap.c +++ b/drivers/video/tegra/nvmap/nvmap.c @@ -27,6 +27,7 @@ #include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/wait.h> +#include <linux/slab.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> @@ -698,6 +699,7 @@ void nvmap_munmap(struct nvmap_handle_ref *ref, void *addr) addr -= (h->carveout->base & ~PAGE_MASK); vm = remove_vm_area(addr); BUG_ON(!vm); + kfree(vm); nvmap_usecount_dec(h); } nvmap_handle_put(h); |