diff options
| author |   Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-08-01 17:10:11 +0530 |
|---|---|---|
| committer |   Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-08-23 16:49:20 +0200 |
| commit | 4d26f012ab591d7671237a6b5e990cbbfd50b0b8 (patch) | |
| tree | 2fbd5cbfd96e69606249c620ee7243abed2f772d | |
| parent | mtd: nand: lpc32xx_slc: Handle return value of clk_prepare_enable. (diff) | |
| download | linux-dev-4d26f012ab591d7671237a6b5e990cbbfd50b0b8.tar.xz linux-dev-4d26f012ab591d7671237a6b5e990cbbfd50b0b8.zip | |
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>
| -rw-r--r-- | drivers/mtd/nand/lpc32xx_mlc.c | 9 |
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); |