diff options
| author | Ofir Bitton <obitton@habana.ai> | 2020-08-11 08:57:45 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-08-22 12:47:58 +0300 |
| commit | 0839152f8c1efc1cc2d515d1ff1e253ca9402ad3 (patch) | |
| tree | 5f9289b6926b13486ef957581741f134a4753f72 /drivers/misc/habanalabs/common/mmu.c | |
| parent | bce382a8bb080ed5f2f3a06754526dc58b91cca2 (diff) | |
| download | linux-0839152f8c1efc1cc2d515d1ff1e253ca9402ad3.tar.xz | |
habanalabs: check correct vmalloc return code
vmalloc can return different return code than NULL and a valid
pointer. We must validate it in order to dereference a non valid
pointer.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/common/mmu.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/mmu.c b/drivers/misc/habanalabs/common/mmu.c index edcc11d5eaf1..3fc0f497fab3 100644 --- a/drivers/misc/habanalabs/common/mmu.c +++ b/drivers/misc/habanalabs/common/mmu.c @@ -450,7 +450,7 @@ int hl_mmu_init(struct hl_device *hdev) hdev->mmu_shadow_hop0 = kvmalloc_array(prop->max_asid, prop->mmu_hop_table_size, GFP_KERNEL | __GFP_ZERO); - if (!hdev->mmu_shadow_hop0) { + if (ZERO_OR_NULL_PTR(hdev->mmu_shadow_hop0)) { rc = -ENOMEM; goto err_pool_add; } |