1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
index defa4fdd..77479d99 100644
--- a/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/ctrl_gk20a.c
@@ -1316,11 +1316,10 @@ long gk20a_ctrl_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg
 
         if ((_IOC_TYPE(cmd) != NVGPU_GPU_IOCTL_MAGIC) ||
                 (_IOC_NR(cmd) == 0) ||
-                (_IOC_NR(cmd) > NVGPU_GPU_IOCTL_LAST))
+                (_IOC_NR(cmd) > NVGPU_GPU_IOCTL_LAST) ||
+                (_IOC_SIZE(cmd) > NVGPU_GPU_IOCTL_MAX_ARG_SIZE))
                 return -EINVAL;
 
-        BUG_ON(_IOC_SIZE(cmd) > NVGPU_GPU_IOCTL_MAX_ARG_SIZE);
-
         memset(buf, 0, sizeof(buf));
         if (_IOC_DIR(cmd) & _IOC_WRITE) {
                 if (copy_from_user(buf, (void __user *)arg, _IOC_SIZE(cmd)))