Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Vignesh Raghavendra <vigneshr@ti.com>
To:     Tudor Ambarus <tudor.ambarus@microchip.com>,
        Mark Brown <broonie@kernel.org>
CC:     Vignesh Raghavendra <vigneshr@ti.com>,
        Boris Brezillon <bbrezillon@kernel.org>,
        Ramuthevar Vadivel Murugan 
        <vadivel.muruganx.ramuthevar@linux.intel.com>,
        <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        <linux-spi@vger.kernel.org>, <simon.k.r.goldschmidt@gmail.com>,
        <dinguyen@kernel.org>, <marex@denx.de>
Subject: [RESEND PATCH v3 3/8] mtd: spi-nor: cadence-quadspi: Don't initialize rx_dma_complete on failure
Date:   Mon, 1 Jun 2020 12:34:39 +0530
Message-ID: <20200601070444.16923-4-vigneshr@ti.com>
In-Reply-To: <20200601070444.16923-1-vigneshr@ti.com>
References: <20200601070444.16923-1-vigneshr@ti.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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