From: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Date: Tue, 17 Dec 2013 13:36:05 +0000 (+0200)
Subject: mtd: nand: davinci: return ENOMEM if memory allocation is failed
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f735a4d0d5b76c6035f30749c4e0aa64b3a9a74e;p=openwrt%2Fstaging%2Fblogic.git

mtd: nand: davinci: return ENOMEM if memory allocation is failed

In case when memory allocation is failed the driver should return
ENOMEM instead of ENODEV.

Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 584c1f4b6fce..4577fb41c0c7 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -541,7 +541,7 @@ static struct davinci_nand_pdata
 				GFP_KERNEL);
 		pdev->dev.platform_data = pdata;
 		if (!pdata)
-			return NULL;
+			return ERR_PTR(-ENOMEM);
 		if (!of_property_read_u32(pdev->dev.of_node,
 			"ti,davinci-chipselect", &prop))
 			pdev->id = prop;
@@ -598,6 +598,9 @@ static int nand_davinci_probe(struct platform_device *pdev)
 	nand_ecc_modes_t		ecc_mode;
 
 	pdata = nand_davinci_get_pdata(pdev);
+	if (IS_ERR(pdata))
+		return PTR_ERR(pdata);
+
 	/* insist on board-specific configuration */
 	if (!pdata)
 		return -ENODEV;