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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-08-01 17:10:11 +0530
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-08-23 16:49:20 +0200
commit4d26f012ab591d7671237a6b5e990cbbfd50b0b8 (patch)
tree2fbd5cbfd96e69606249c620ee7243abed2f772d /drivers/mtd/nand
parent7c94128127ba6ecbaa1e2085088c7337a99aaf51 (diff)
mtd: nand: lpc32xx_mlc: Handle return value of clk_prepare_enable.
clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/lpc32xx_mlc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 846a66c1b133..91ee369681f0 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -705,7 +705,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
res = -ENOENT;
goto err_exit1;
}
- clk_prepare_enable(host->clk);
+ res = clk_prepare_enable(host->clk);
+ if (res)
+ goto err_exit1;
nand_chip->cmd_ctrl = lpc32xx_nand_cmd_ctrl;
nand_chip->dev_ready = lpc32xx_nand_device_ready;
@@ -846,9 +848,12 @@ static int lpc32xx_nand_remove(struct platform_device *pdev)
static int lpc32xx_nand_resume(struct platform_device *pdev)
{
struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
+ int ret;
/* Re-enable NAND clock */
- clk_prepare_enable(host->clk);
+ ret = clk_prepare_enable(host->clk);
+ if (ret)
+ return ret;
/* Fresh init of NAND controller */
lpc32xx_nand_setup(host);