sdmmc: fixed compile error

[firefly-linux-kernel-4.4.55.git] / fs / compat_ioctl.c

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 61abb638b4bfdcef8c2a47446fb778714b9b25b8..3deb58d086b760dcebaba21b22a0ce0bc04ceea3 100644 (file)
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -208,6 +208,8 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
 
        err  = get_user(palp, &up->palette);
        err |= get_user(length, &up->length);
+       if (err)
+               return -EFAULT;
 
        up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
        err  = put_user(compat_ptr(palp), &up_native->palette);