diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/tsg_gk20a.c')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/tsg_gk20a.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; |