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Date:   Sun, 12 Feb 2017 17:43:43 +0100
From:   Nicholas Mc Guire <der.herr@...r.at>
To:     Cyrille Pitchen <cyrille.pitchen@...el.com>
Cc:     Marek Vasut <marek.vasut@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Richard Weinberger <richard@....at>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Nicholas Mc Guire <der.herr@...r.at>
Subject: [PATCH] spi-nor: use ERR_CAST in return

This fixes a sparse warning about 

Signed-off-by: Nicholas Mc Guire <der.herr@...r.at>
---

sparse complained about:
drivers/mtd/spi-nor/intel-spi.c:731:28: warning: incorrect type in return expression (different address spaces)
drivers/mtd/spi-nor/intel-spi.c:731:28:    expected struct intel_spi *
drivers/mtd/spi-nor/intel-spi.c:731:28:    got void [noderef] <asn:2>*base

Patch was compile tested with: multi_v7_defconfig (implies CONFIG_MTD_SPI_NOR=y)

Patch is against 4.10-rc6 (localversion-next is next-20170210)

 drivers/mtd/spi-nor/intel-spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/intel-spi.c b/drivers/mtd/spi-nor/intel-spi.c
index e43ce63..986a3d0 100644
--- a/drivers/mtd/spi-nor/intel-spi.c
+++ b/drivers/mtd/spi-nor/intel-spi.c
@@ -728,7 +728,7 @@ struct intel_spi *intel_spi_probe(struct device *dev,
 
 	ispi->base = devm_ioremap_resource(dev, mem);
 	if (IS_ERR(ispi->base))
-		return ispi->base;
+		return ERR_CAST(ispi->base);
 
 	ispi->dev = dev;
 	ispi->info = info;
-- 
2.1.4

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