ASoC: wsa883x: Fix size for register access

Fix size for soundwire slave register dump in debug mode.

Change-Id: I9d2e4a394943cdb0ba2e5ec5208c96b76b0a1292
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi 2020-03-20 01:56:47 +05:30
commit 9fcf966dc8

View file

@ -234,9 +234,9 @@ static ssize_t swr_slave_reg_show(struct swr_device *pdev, char __user *ubuf,
if (!is_swr_slave_reg_readable(i))
continue;
swr_read(pdev, pdev->dev_num, i, &reg_val, 1);
len = snprintf(tmp_buf, 25, "0x%.3x: 0x%.2x\n", i,
len = snprintf(tmp_buf, sizeof(tmp_buf), "0x%.3x: 0x%.2x\n", i,
(reg_val & 0xFF));
if ((total + len) >= count - 1)
if (((total + len) >= count - 1) || (len < 0))
break;
if (copy_to_user((ubuf + total), tmp_buf, len)) {
pr_err("%s: fail to copy reg dump\n", __func__);