diff options
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dsi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dsi.c b/drivers/video/fbdev/msm/mdss_dsi.c index 7b6153503af5..0d41f41371dd 100644 --- a/drivers/video/fbdev/msm/mdss_dsi.c +++ b/drivers/video/fbdev/msm/mdss_dsi.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -760,7 +760,7 @@ static ssize_t mdss_dsi_cmd_state_read(struct file *file, char __user *buf, if (blen < 0) return 0; - if (copy_to_user(buf, buffer, blen)) + if (copy_to_user(buf, buffer, min(count, (size_t)blen+1))) return -EFAULT; *ppos += blen; |