1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
index d98b78ea..181140d2 100644
--- a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
@@ -608,11 +608,10 @@ long gk20a_tsg_dev_ioctl(struct file *filp, unsigned int cmd,
 
         if ((_IOC_TYPE(cmd) != NVGPU_TSG_IOCTL_MAGIC) ||
             (_IOC_NR(cmd) == 0) ||
-            (_IOC_NR(cmd) > NVGPU_TSG_IOCTL_LAST))
+            (_IOC_NR(cmd) > NVGPU_TSG_IOCTL_LAST) ||
+            (_IOC_SIZE(cmd) > NVGPU_TSG_IOCTL_MAX_ARG_SIZE))
                 return -EINVAL;
 
-        BUG_ON(_IOC_SIZE(cmd) > NVGPU_TSG_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)))