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scd: Fix access to list of cards (2/3).

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* scd/app-common.h (card_reset, select_application): Simplify.
* scd/app.c (card_reset, select_application): Simplify.
* scd/command.c (do_reset): Follow the change.
(open_card, open_card_with_request): Follow the change.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2021-07-21 15:34:34 +09:00
parent 216945a80e
commit b436fb6766
3 changed files with 28 additions and 30 deletions
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39
scd/app.c
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@ -503,31 +503,20 @@ check_application_conflict (card_t card, const char *name,
gpg_error_t
card_reset (card_t card, ctrl_t ctrl, int send_reset)
card_reset (card_t card, ctrl_t ctrl)
{
gpg_error_t err = 0;
int sw;
if (send_reset)
{
int sw;
lock_card (card, ctrl);
sw = apdu_reset (card->slot);
if (sw)
err = gpg_error (GPG_ERR_CARD_RESET);
lock_card (card, ctrl);
sw = apdu_reset (card->slot);
if (sw)
err = gpg_error (GPG_ERR_CARD_RESET);
card->reset_requested = 1;
unlock_card (card);
scd_kick_the_loop ();
gnupg_sleep (1);
}
else
{
ctrl->card_ctx = NULL;
ctrl->current_apptype = APPTYPE_NONE;
card_unref (card);
}
card->reset_requested = 1;
unlock_card (card);
scd_kick_the_loop ();
gnupg_sleep (1);
return err;
}
@ -780,17 +769,17 @@ app_new_register (int slot, ctrl_t ctrl, const char *name,
* NAME and return its card context. Returns an error code and stores
* NULL at R_CARD if no application was found or no card is present. */
gpg_error_t
select_application (ctrl_t ctrl, const char *name, card_t *r_card,
select_application (ctrl_t ctrl, const char *name,
int scan, const unsigned char *serialno_bin,
size_t serialno_bin_len)
{
gpg_error_t err = 0;
card_t card, card_prev = NULL;
*r_card = NULL;
lock_w_card_list (CARD_LIST_LOCK_UPDATE);
ctrl->card_ctx = NULL;
if (scan || !card_top)
{
struct dev_list *l;
@ -875,7 +864,7 @@ select_application (ctrl_t ctrl, const char *name, card_t *r_card,
{
/* Note: We do not use card_ref as we are already locked. */
card->ref_count++;
*r_card = card;
ctrl->card_ctx = card;
if (card_prev)
{
card_prev->next = card->next;