From c4c696fa1b0623031544da8b10f9d4e1401a49db Mon Sep 17 00:00:00 2001 From: LABBE Corentin Date: Tue, 24 Nov 2015 08:43:27 +0100 Subject: [PATCH] i2c: taos-evm: replace simple_strtoul by kstrtou8 The simple_strtoul function is marked as obsolete. This patch replace it by kstrtou8. Reviewed-by: Jean Delvare Tested-by: Jean Delvare Signed-off-by: LABBE Corentin Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-taos-evm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c index 4c7fc2d47014..210ca82f8aa0 100644 --- a/drivers/i2c/busses/i2c-taos-evm.c +++ b/drivers/i2c/busses/i2c-taos-evm.c @@ -130,7 +130,13 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr, return 0; } else { if (p[0] == 'x') { - data->byte = simple_strtol(p + 1, NULL, 16); + /* + * Voluntarily dropping error code of kstrtou8 since all + * error code that it could return are invalid according + * to Documentation/i2c/fault-codes. + */ + if (kstrtou8(p + 1, 16, &data->byte)) + return -EPROTO; return 0; } }