diff options
Diffstat (limited to 'src/rfid_asic_rc632.c')
| -rw-r--r-- | src/rfid_asic_rc632.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/rfid_asic_rc632.c b/src/rfid_asic_rc632.c index 1c64558..28bd5a1 100644 --- 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) { |