diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index c657bed350ac..56e89e76ff17 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -478,15 +478,16 @@ done: static long amdgpu_debugfs_gprwave_ioctl(struct file *f, unsigned int cmd, unsigned long data) { struct amdgpu_debugfs_gprwave_data *rd = f->private_data; - int r; + int r = 0; mutex_lock(&rd->lock); switch (cmd) { case AMDGPU_DEBUGFS_GPRWAVE_IOC_SET_STATE: - r = copy_from_user(&rd->id, (struct amdgpu_debugfs_gprwave_iocdata *)data, sizeof rd->id); - if (r) - return r ? -EINVAL : 0; + if (copy_from_user(&rd->id, + (struct amdgpu_debugfs_gprwave_iocdata *)data, + sizeof(rd->id))) + r = -EFAULT; goto done; default: r = -EINVAL; |