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Merge "ASoC: wsa883x: Fix size for register access"

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qctecmdr 2020-03-25 09:38:22 -07:00 • committed by Gerrit - the friendly Code Review server
commit b56fbda271
1 changed files with 2 additions and 2 deletions
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4
asoc/codecs/wsa883x/wsa883x.c
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@ -238,9 +238,9 @@ 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__);