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main: discriminate input slot allocation reason

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This commit is contained in:
Thomas Schoebel-Theuer 2020-01-28 08:07:49 +01:00
parent a6487909aa
commit ff5f129c9e
1 changed files with 2 additions and 1 deletions
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3
kernel/sy_old/mars_main.c
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@ -3834,6 +3834,7 @@ int _get_free_input(struct trans_logger_brick *trans_brick)
{
int nr = (((trans_brick->log_input_nr - TL_INPUT_LOG1) + 1) % 2) + TL_INPUT_LOG1;
struct trans_logger_input *candidate;
candidate = trans_brick->inputs[nr];
if (unlikely(!candidate)) {
MARS_ERR("input nr = %d is corrupted!\n", nr);
@ -3841,7 +3842,7 @@ int _get_free_input(struct trans_logger_brick *trans_brick)
}
if (unlikely(candidate->is_operating || candidate->connect)) {
MARS_DBG("nr = %d unusable! is_operating = %d connect = %p\n", nr, candidate->is_operating, candidate->connect);
return -EEXIST;
return -EAGAIN;
}
MARS_DBG("got nr = %d\n", nr);
return nr;