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handle unexpected meltdown of PC/SC service

This commit is contained in:
Frank Morgner 2015-04-21 00:57:22 +02:00
parent cbc43eeb88
commit e359b2a310
1 changed files with 7 additions and 0 deletions
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7
src/libopensc/reader-pcsc.c
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@ -979,6 +979,13 @@ static int pcsc_detect_readers(sc_context_t *ctx)
else {
rv = gpriv->SCardListReaders(gpriv->pcsc_ctx, NULL, NULL,
(LPDWORD) &reader_buf_size);
if (rv == SCARD_E_NO_SERVICE) {
gpriv->SCardReleaseContext(gpriv->pcsc_ctx);
gpriv->pcsc_ctx = -1;
gpriv->pcsc_wait_ctx = -1;
/* reconnecting below may may restart PC/SC service */
rv = SCARD_E_INVALID_HANDLE;
}
}
if (rv != SCARD_S_SUCCESS) {
if (rv != (LONG)SCARD_E_INVALID_HANDLE) {