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One fix in the i801 driver where a bug caused touchpad

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malfunctions on some Lenovo P1 models by incorrectly overwriting
 a status variable during successful SMBUS transactions.
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Merge tag 'i2c-host-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current

One fix in the i801 driver where a bug caused touchpad
malfunctions on some Lenovo P1 models by incorrectly overwriting
a status variable during successful SMBUS transactions.
This commit is contained in:
Wolfram Sang 2024-03-30 15:37:54 +01:00
commit 2953eb0287
1 changed files with 4 additions and 3 deletions
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7
drivers/i2c/busses/i2c-i801.c
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@ -536,11 +536,12 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
if (read_write == I2C_SMBUS_READ ||
command == I2C_SMBUS_BLOCK_PROC_CALL) {
status = i801_get_block_len(priv);
if (status < 0)
len = i801_get_block_len(priv);
if (len < 0) {
status = len;
goto out;
}
len = status;
data->block[0] = len;
inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)