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diff --git a/src/rfid_asic_rc632.c b/src/rfid_asic_rc632.c
index b9b1aff..f0948c6 100644
--- a/src/rfid_asic_rc632.c
+++ b/src/rfid_asic_rc632.c
@@ -297,7 +297,9 @@ 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 |
@@ -457,14 +459,16 @@ rc632_transceive(struct rfid_asic_handle *handle,
ret = rc632_reg_write(handle, RC632_REG_COMMAND, RC632_CMD_IDLE);
+ if (ret < 0)
+ return ret;
/* clear all interrupts */
- rc632_clear_spec_bits(handle, RC632_REG_INTERRUPT_RQ, RC632_INT_ALL);
+ ret = rc632_clear_spec_bits(handle, RC632_REG_INTERRUPT_RQ, RC632_INT_ALL);
+ if (ret < 0)
+ return ret;
{ u_int8_t tmp;
rc632_reg_read(handle, RC632_REG_PRIMARY_STATUS, &tmp);
DEBUGP_STATUS_FLAG(tmp);
- rc632_reg_read(handle, RC632_REG_PRIMARY_STATUS, &tmp);
- DEBUGP_STATUS_FLAG(tmp);
rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &tmp);
DEBUGP_ERROR_FLAG(tmp);
}
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