[RESEND PATCH v3 3/8] mtd: spi-nor: cadence-quadspi: Don't initialize rx_dma_complete on failure

Vignesh Raghavendra
2020-06-01T07:06:05Z

If driver fails to acquire DMA channel then don't initialize
rx_dma_complete struct as it won't be used.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
drivers/mtd/spi-nor/controllers/cadence-quadspi.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/spi-nor/controllers/cadence-quadspi.c b/drivers/mtd/spi-nor/controllers/cadence-quadspi.c
index 8a9e17f79d8d9..379e22c11c87f 100644
--- a/drivers/mtd/spi-nor/controllers/cadence-quadspi.c
+++ b/drivers/mtd/spi-nor/controllers/cadence-quadspi.c
@@ -1180,6 +1180,7 @@ static void cqspi_request_mmap_dma(struct cqspi_st *cqspi)
if (IS_ERR(cqspi->rx_chan)) {
dev_err(&cqspi->pdev->dev, "No Rx DMA available\n");
cqspi->rx_chan = NULL;
+ return;
}
init_completion(&cqspi->rx_dma_complete);
}
--
2.26.2