diff --git a/drivers/gpu/nvgpu/common/linux/vm.c b/drivers/gpu/nvgpu/common/linux/vm.c index 4fa01855c..f356fee21 100644 --- a/drivers/gpu/nvgpu/common/linux/vm.c +++ b/drivers/gpu/nvgpu/common/linux/vm.c @@ -25,6 +25,7 @@ #include "gk20a/gk20a.h" #include "gk20a/mm_gk20a.h" +#include "gk20a/kind_gk20a.h" #include "vm_priv.h" @@ -237,7 +238,12 @@ u64 nvgpu_vm_map(struct vm_gk20a *vm, goto clean_up; } - bfr.kind_v = kind; + if (kind >= NV_KIND_ATTR_SIZE) { + err = -EINVAL; + goto clean_up; + } else { + bfr.kind_v = kind; + } bfr.size = dmabuf->size; sgl = bfr.sgt->sgl; diff --git a/drivers/gpu/nvgpu/gk20a/kind_gk20a.c b/drivers/gpu/nvgpu/gk20a/kind_gk20a.c index 4e9ebe4bb..57cf028bc 100644 --- a/drivers/gpu/nvgpu/gk20a/kind_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/kind_gk20a.c @@ -408,11 +408,11 @@ void gk20a_init_uncompressed_kind_map(void) gmmu_pte_kind_x8c24_v(); } -u16 gk20a_kind_attr[256]; +u16 gk20a_kind_attr[NV_KIND_ATTR_SIZE]; void gk20a_init_kind_attr(void) { u16 k; - for (k = 0; k < 256; k++) { + for (k = 0; k < NV_KIND_ATTR_SIZE; k++) { gk20a_kind_attr[k] = 0; if (gk20a_kind_supported((u8)k)) gk20a_kind_attr[k] |= GK20A_KIND_ATTR_SUPPORTED; diff --git a/drivers/gpu/nvgpu/gk20a/kind_gk20a.h b/drivers/gpu/nvgpu/gk20a/kind_gk20a.h index 9dec84a56..28d5802c9 100644 --- a/drivers/gpu/nvgpu/gk20a/kind_gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/kind_gk20a.h @@ -27,6 +27,7 @@ void gk20a_init_uncompressed_kind_map(void); void gk20a_init_kind_attr(void); extern u16 gk20a_kind_attr[]; +#define NV_KIND_ATTR_SIZE 256 #define NV_KIND_DEFAULT -1 #define GK20A_KIND_ATTR_SUPPORTED BIT(0)