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sr: Remove useless code in disk_state_update()

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This patch also updates a comment in the same function for accuracy.

Found by Coverity issue 1362985. Partily fixes #19567.

Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2016-07-04 11:33:41 -04:00
parent be78e9ff37
commit c6de05d529
1 changed files with 2 additions and 4 deletions
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6
src/or/shared_random_state.c
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@ -617,26 +617,24 @@ disk_state_update(void)
/* Reset current disk state. */ /* Reset current disk state. */
disk_state_reset(); disk_state_reset();
/* First, update elements that we don't need to iterate over a list to /* First, update elements that we don't need to do a construction. */
* construct something. */
sr_disk_state->Version = sr_state->version; sr_disk_state->Version = sr_state->version;
sr_disk_state->ValidUntil = sr_state->valid_until; sr_disk_state->ValidUntil = sr_state->valid_until;
sr_disk_state->ValidAfter = sr_state->valid_after; sr_disk_state->ValidAfter = sr_state->valid_after;
/* Shared random values. */ /* Shared random values. */
next = &sr_disk_state->SharedRandValues; next = &sr_disk_state->SharedRandValues;
*next = NULL;
if (sr_state->previous_srv != NULL) { if (sr_state->previous_srv != NULL) {
*next = line = tor_malloc_zero(sizeof(config_line_t)); *next = line = tor_malloc_zero(sizeof(config_line_t));
line->key = tor_strdup(dstate_prev_srv_key); line->key = tor_strdup(dstate_prev_srv_key);
disk_state_put_srv_line(sr_state->previous_srv, line); disk_state_put_srv_line(sr_state->previous_srv, line);
/* Go to the next shared random value. */
next = &(line->next); next = &(line->next);
} }
if (sr_state->current_srv != NULL) { if (sr_state->current_srv != NULL) {
*next = line = tor_malloc_zero(sizeof(*line)); *next = line = tor_malloc_zero(sizeof(*line));
line->key = tor_strdup(dstate_cur_srv_key); line->key = tor_strdup(dstate_cur_srv_key);
disk_state_put_srv_line(sr_state->current_srv, line); disk_state_put_srv_line(sr_state->current_srv, line);
next = &(line->next);
} }
/* Parse the commits and construct config line(s). */ /* Parse the commits and construct config line(s). */