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drivers: rf-transceiver: ad9361: Fix null pointer dereference in ad9361_rfpll_vco_init #2760

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drivers: rf-transceiver: ad9361: Fix null pointer dereference in ad9361_rfpll_vco_init #2760

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8 changes: 7 additions & 1 deletion drivers/rf-transceiver/ad9361/ad9361.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1746,7 +1746,7 @@ static int32_t ad9361_rfpll_vco_init(struct ad9361_rf_phy *phy,
uint32_t ref_clk)
{
struct no_os_spi_desc *spi = phy->spi;
const struct SynthLUT(*tab);
const struct SynthLUT(*tab) = NULL;
int32_t i = 0;
uint32_t range, offs = 0;

Expand Down Expand Up @@ -1775,6 +1775,12 @@ static int32_t ad9361_rfpll_vco_init(struct ad9361_rf_phy *phy,
}
}

if (tab == NULL) {
dev_err(&phy->spi->dev,
"%s: Failed to find suitable SynthLUT table", __func__);
return -EINVAL;
}

if (tx)
offs = REG_TX_VCO_OUTPUT - REG_RX_VCO_OUTPUT;

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