Re: [PATCH] return same error value from spk_set_key_info

From: Samuel Thibault
Date: Tue Feb 21 2017 - 07:24:26 EST


Pranay Kr. Srivastava, on mar. 21 févr. 2017 17:24:42 +0530, wrote:
> Retain the previous error values as debug messages
> instead.

Well, they are not really useful because they are actually undocumented.

> + if (version != KEY_MAP_VER) {
> + pr_debug("Version mismatch %d\n", -1);

Rather print version and KEY_MAP_VER

> + if (key_data_len + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) {
> + pr_debug("Data len and Shift table too big %d\n", -2);

Rather print key_data_len + SHIFT_TBL_SIZE + 4 and sizeof(spk_key_buf)

> + if (ch >= SHIFT_TBL_SIZE) {
> + pr_debug("Key table size overflow %d\n", -3);

Rather print ch and SHIFT_TBL_SIZE.

> + if (ch >= MAX_KEY) {
> + pr_debug("Max Key overflow %d\n", -4);

Rather print ch and MAX_KEY.

Apart from that, returning -EINVAL instead of different values is fine
for me.

Samuel