samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "disp: msm: dsi: add check for buffer length before copy"

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qctecmdr
2019-06-19 10:26:18 -07:00
committed by Gerrit - the friendly Code Review server
parent 3c4d5f3557 aed315f32b
commit 5411cf5dee
1 changed files with 3 additions and 0 deletions
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msm/dsi/dsi_display.c
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@@ -1094,6 +1094,9 @@ static ssize_t debugfs_dump_info_read(struct file *file,
"\tClock master = %s\n", "\tClock master = %s\n",
display->ctrl[display->clk_master_idx].ctrl->name); display->ctrl[display->clk_master_idx].ctrl->name);
if (len > user_len)
len = user_len;
if (copy_to_user(user_buf, buf, len)) { if (copy_to_user(user_buf, buf, len)) {
kfree(buf); kfree(buf);
return -EFAULT; return -EFAULT;