i2c: mxs: Handle i2c DMA failure properly

Properly terminate the DMA transfer in case the DMA PIO transfer
or setup fails for any reason.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 286ca191782098fe44f8a9c995b0015e2e3693ef..0670da79ee5e53cd0682dbdc1e7b311a196f73e1 100644 (file)
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -287,12 +287,14 @@ read_init_dma_fail:
 select_init_dma_fail:
        dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
 select_init_pio_fail:
+       dmaengine_terminate_all(i2c->dmach);
        return -EINVAL;
 
 /* Write failpath. */
 write_init_dma_fail:
        dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
 write_init_pio_fail:
+       dmaengine_terminate_all(i2c->dmach);
        return -EINVAL;
 }