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memleak: Handle freeing return from spi call
mraa_spi_write_buf returns an allocated buffer. Added call to free the allocated memory. Signed-off-by: Noel Eck <noel.eck@intel.com>
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@ -125,10 +125,14 @@ upm_result_t apa102_set_leds_brightness(apa102_context dev, uint16_t s_index, ui
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upm_result_t apa102_refresh(apa102_context dev) {
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assert(dev != NULL);
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if(!dev->cs) {
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mraa_spi_write_buf(dev->spi, dev->buffer, dev->framelength);
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uint8_t* recv =
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mraa_spi_write_buf(dev->spi, dev->buffer, dev->framelength);
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if (recv != NULL) free(recv);
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} else {
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mraa_gpio_write(dev->cs, 1);
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mraa_spi_write_buf(dev->spi, dev->buffer, dev->framelength);
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uint8_t* recv =
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mraa_spi_write_buf(dev->spi, dev->buffer, dev->framelength);
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if (recv != NULL) free(recv);
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mraa_gpio_write(dev->cs, 0);
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}
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return UPM_SUCCESS;
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@ -165,7 +165,8 @@ void
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APA102::pushState(void)
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{
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CSOn();
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m_spi->write(m_leds, m_frameLength);
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uint8_t* recv = m_spi->write(m_leds, m_frameLength);
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if (recv != NULL) free(recv);
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CSOff();
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}
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