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lint: fix possible nullptr deref in *pwr

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Hinnerk van Bruinehsen 2014-11-28 01:05:07 +01:00
parent 7f9fb2bea3
commit e7d0a7664f
1 changed files with 4 additions and 0 deletions
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4
drivers/nrf24l01p/nrf24l01p.c
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@ -617,6 +617,10 @@ int nrf24l01p_set_power(nrf24l01p_t *dev, int *pwr)
nrf24l01p_read_reg(dev, REG_RF_SETUP, &rf_setup); nrf24l01p_read_reg(dev, REG_RF_SETUP, &rf_setup);
if (pwr == NULL) {
return -1;
}
if (*pwr >= -3) { if (*pwr >= -3) {
rf_setup &= ~(3 << 1); rf_setup &= ~(3 << 1);
rf_setup |= (NRF24L01P_PWR_0DBM << 1); rf_setup |= (NRF24L01P_PWR_0DBM << 1);