diff options
| -rw-r--r-- | drivers/misc/mediatek/thermal/mtk_cooler_cam.c | 2 | ||||
| -rw-r--r-- | drivers/misc/mediatek/thermal/mtk_cooler_vrt.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/mediatek/thermal/mtk_cooler_cam.c b/drivers/misc/mediatek/thermal/mtk_cooler_cam.c index d7f5b0b21..f51c42beb 100644 --- a/drivers/misc/mediatek/thermal/mtk_cooler_cam.c +++ b/drivers/misc/mediatek/thermal/mtk_cooler_cam.c @@ -38,6 +38,8 @@ static ssize_t _cl_cam_write(struct file *filp, const char __user *buf, size_t l int ret = 0; char tmp[MAX_LEN] = { 0 }; + len = min(len,MAX_LEN-1); + /* write data to the buffer */ if (copy_from_user(tmp, buf, len)) { return -EFAULT; diff --git a/drivers/misc/mediatek/thermal/mtk_cooler_vrt.c b/drivers/misc/mediatek/thermal/mtk_cooler_vrt.c index d5d348b3d..2b055341b 100644 --- a/drivers/misc/mediatek/thermal/mtk_cooler_vrt.c +++ b/drivers/misc/mediatek/thermal/mtk_cooler_vrt.c @@ -35,6 +35,8 @@ static ssize_t _cl_vrt_write(struct file *filp, const char __user *buf, size_t l int ret = 0; char tmp[MAX_LEN] = { 0 }; + len = min(len,MAX_LEN-1); + /* write data to the buffer */ if (copy_from_user(tmp, buf, len)) { return -EFAULT; |