Add WRITE support for ISO15693 (Bjoern Riemer)

[librfid] / src / rfid_asic_rc632.c

diff --git a/src/rfid_asic_rc632.c b/src/rfid_asic_rc632.c
index 1c64558..28bd5a1 100644 (file)
--- a/src/rfid_asic_rc632.c
+++ b/src/rfid_asic_rc632.c
@@ -288,7 +288,9 @@ static int rc632_wait_idle_timer(struct rfid_asic_handle *handle)
                DEBUGP_STATUS_FLAG(stat);
                if (stat & RC632_STAT_ERR) {
                        u_int8_t err;
-                       rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &err);
+                       ret = rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &err);
+                       if (ret < 0)
+                               return ret;
                        DEBUGP_ERROR_FLAG(err);
                        if (err & (RC632_ERR_FLAG_COL_ERR |
                                   RC632_ERR_FLAG_PARITY_ERR |
@@ -355,7 +357,9 @@ rc632_wait_idle(struct rfid_asic_handle *handle, u_int64_t timeout)
                                ret = rc632_reg_read(handle, RC632_REG_INTERRUPT_RQ, &foo);
                                DEBUGP_INTERRUPT_FLAG("irq_rq",foo);
                                /* clear all interrupts */
-                               rc632_clear_irqs(handle, 0xff);
+                               ret = rc632_clear_irqs(handle, 0xff);
+                               if (ret < 0)
+                                       return ret;
                        }
                }
                if (cmd == 0) {