diff options
Diffstat (limited to 'drivers/gpu/drm/savage/savage_state.c')
| -rw-r--r-- | drivers/gpu/drm/savage/savage_state.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/gpu/drm/savage/savage_state.c b/drivers/gpu/drm/savage/savage_state.c index c01ad0aeaa58..3dc0d8ff95ec 100644 --- a/drivers/gpu/drm/savage/savage_state.c +++ b/drivers/gpu/drm/savage/savage_state.c @@ -1001,15 +1001,9 @@ int savage_bci_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_ cmdbuf->cmd_addr = kcmd_addr; } if (cmdbuf->vb_size) { - kvb_addr = kmalloc(cmdbuf->vb_size, GFP_KERNEL); - if (kvb_addr == NULL) { - ret = -ENOMEM; - goto done; - } - - if (copy_from_user(kvb_addr, cmdbuf->vb_addr, - cmdbuf->vb_size)) { - ret = -EFAULT; + kvb_addr = memdup_user(cmdbuf->vb_addr, cmdbuf->vb_size); + if (IS_ERR(kvb_addr)) { + ret = PTR_ERR(kvb_addr); goto done; } cmdbuf->vb_addr = kvb_addr; |