diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c index 1a219d2e..cd3ab0c2 100644 --- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c | |||
@@ -880,11 +880,10 @@ long gk20a_dbg_gpu_dev_ioctl(struct file *filp, unsigned int cmd, | |||
880 | 880 | ||
881 | if ((_IOC_TYPE(cmd) != NVGPU_DBG_GPU_IOCTL_MAGIC) || | 881 | if ((_IOC_TYPE(cmd) != NVGPU_DBG_GPU_IOCTL_MAGIC) || |
882 | (_IOC_NR(cmd) == 0) || | 882 | (_IOC_NR(cmd) == 0) || |
883 | (_IOC_NR(cmd) > NVGPU_DBG_GPU_IOCTL_LAST)) | 883 | (_IOC_NR(cmd) > NVGPU_DBG_GPU_IOCTL_LAST) || |
884 | (_IOC_SIZE(cmd) > NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE)) | ||
884 | return -EINVAL; | 885 | return -EINVAL; |
885 | 886 | ||
886 | BUG_ON(_IOC_SIZE(cmd) > NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE); | ||
887 | |||
888 | memset(buf, 0, sizeof(buf)); | 887 | memset(buf, 0, sizeof(buf)); |
889 | if (_IOC_DIR(cmd) & _IOC_WRITE) { | 888 | if (_IOC_DIR(cmd) & _IOC_WRITE) { |
890 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) | 889 | if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd))) |