diff options
Diffstat (limited to 'drivers/video/tegra/host/dev.c')
| -rw-r--r-- | drivers/video/tegra/host/dev.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/video/tegra/host/dev.c b/drivers/video/tegra/host/dev.c index ca73528fbeeb..67520a884d3e 100644 --- a/drivers/video/tegra/host/dev.c +++ b/drivers/video/tegra/host/dev.c @@ -205,6 +205,7 @@ static int nvhost_ioctl_ctrl_module_regrdwr(struct nvhost_ctrl_userctx *ctx, return -EINVAL; while (num_offsets--) { + int err; int remaining = args->block_size >> 2; u32 offs; if (get_user(offs, offsets)) @@ -216,17 +217,21 @@ static int nvhost_ioctl_ctrl_module_regrdwr(struct nvhost_ctrl_userctx *ctx, if (copy_from_user(vals, values, batch*sizeof(u32))) return -EFAULT; - nvhost_write_module_regs(ndev, + err = nvhost_write_module_regs(ndev, offs, batch, vals); + if (err) + return err; } else { - nvhost_read_module_regs(ndev, + err = nvhost_read_module_regs(ndev, offs, batch, vals); + if (err) + return err; if (copy_to_user(values, vals, batch*sizeof(u32))) return -EFAULT; } remaining -= batch; - offs += batch; + offs += batch*sizeof(u32); values += batch; } } |