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Add a check to constrain the carrier frequency inside ir_spi_set_tx_carrier(). Switch to u64 arithmetic to ir_spi_tx() when calculating the number of pulses to transmit. V5: * add separate patch to solve overflow issues in ir_spi_tx() * avoid overflow in carrier frequency constraint V4: * add separate patch to constrain the carrier frequency V3: * move the allocation to be done per-TX operation V2: * use devm_krealloc_array Cosmin Tanislav (3): media: rc: ir-spi: allocate buffer dynamically media: rc: ir-spi: constrain carrier frequency media: rc: ir-spi: avoid overflow in multiplication drivers/media/rc/ir-spi.c | 40 +++++++++++++++++++++++++-------------- 1 file changed, 26 insertions(+), 14 deletions(-) -- 2.49.0