tree 6b4032cdcd74759d85739bad456cd792c6ceebd0
parent cabeea980879c2c701b0bd03f145c9f7dae17a63
author Gao Pan <pandy.gao@nxp.com> 1453103041 +0800
committer Mark Brown <broonie@kernel.org> 1453481218 +0000

spi: imx: fix spi resource leak with dma transfer

In spi_imx_dma_transfer(), when desc_rx = dmaengine_prep_slave_sg()
fails, the context goes to label no_dma and then return. However,
the memory allocated for desc_tx has not been freed yet, which leads
to resource leak.

Signed-off-by: Gao Pan <pandy.gao@nxp.com>
Reviewed-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>