altos: Make cc1120 driver return false on recv timeout

Was returning an uninitialized value, which was often not zero

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c
index b6b77a5a5249628a1f14773f747d93ec5fab70d0..3bef6c90fbc9f62ab43232f2f5926c3e3cc3cbdd 100644 (file)
--- a/src/drivers/ao_cc1120.c
+++ b/src/drivers/ao_cc1120.c
@@ -964,8 +964,10 @@ ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout)
 
        /* Wait for the preamble to appear */
        ao_radio_wait_isr(timeout);
-       if (ao_radio_abort)
+       if (ao_radio_abort) {
+               ret = 0;
                goto abort;
+       }
 
        ao_radio_reg_write(AO_CC1120_INT_GPIO_IOCFG, CC1120_IOCFG_GPIO_CFG_CLKEN_SOFT);
        ao_exti_set_mode(AO_CC1120_INT_PORT, AO_CC1120_INT_PIN,