diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a')
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/as_gk20a.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/tsg_gk20a.c | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/as_gk20a.c b/drivers/gpu/nvgpu/gk20a/as_gk20a.c index 34423d21..cd5cdd48 100644 --- a/drivers/gpu/nvgpu/gk20a/as_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/as_gk20a.c | |||
| @@ -265,6 +265,7 @@ long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | |||
| 265 | 265 | ||
| 266 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_AS_IOCTL_MAX_ARG_SIZE); | 266 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_AS_IOCTL_MAX_ARG_SIZE); |
| 267 | 267 | ||
| 268 | memset(buf, 0, sizeof(buf)); | ||
| 268 | if (_IOC_DIR(cmd) & _IOC_WRITE) { | 269 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 269 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) | 270 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) |
| 270 | return -EFAULT; | 271 | return -EFAULT; |
diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c index 34351f93..4e85abc8 100644 --- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c | |||
| @@ -268,6 +268,7 @@ long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg | |||
| 268 | 268 | ||
| 269 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_GPU_IOCTL_MAX_ARG_SIZE); | 269 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_GPU_IOCTL_MAX_ARG_SIZE); |
| 270 | 270 | ||
| 271 | memset(buf, 0, sizeof(buf)); | ||
| 271 | if (_IOC_DIR(cmd) & _IOC_WRITE) { | 272 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 272 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) | 273 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) |
| 273 | return -EFAULT; | 274 | return -EFAULT; |
diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c index 72998280..35a43130 100644 --- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c | |||
| @@ -388,6 +388,7 @@ long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd, | |||
| 388 | 388 | ||
| 389 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE); | 389 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE); |
| 390 | 390 | ||
| 391 | memset(buf, 0, sizeof(buf)); | ||
| 391 | if (_IOC_DIR(cmd) & _IOC_WRITE) { | 392 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 392 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) | 393 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) |
| 393 | return -EFAULT; | 394 | return -EFAULT; |
diff --git a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c index 3342e3b9..37a326d2 100644 --- a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c | |||
| @@ -234,6 +234,7 @@ long gk20a_tsg_dev_ioctl(struct file *filp, unsigned int cmd, | |||
| 234 | 234 | ||
| 235 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_TSG_IOCTL_MAX_ARG_SIZE); | 235 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_TSG_IOCTL_MAX_ARG_SIZE); |
| 236 | 236 | ||
| 237 | memset(buf, 0, sizeof(buf)); | ||
| 237 | if (_IOC_DIR(cmd) & _IOC_WRITE) { | 238 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| 238 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) | 239 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) |
| 239 | return -EFAULT; | 240 | return -EFAULT; |