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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-08-01 14:38:06 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-08-23 17:49:19 +0300 |
| commit | 7c94128127ba6ecbaa1e2085088c7337a99aaf51 (patch) | |
| tree | ce863796241f2df99be8eaebd78b7459b3b29ed3 | |
| parent | 24c9cd8f8d26194aa1a4077c62df90d657766235 (diff) | |
| download | linux-7c94128127ba6ecbaa1e2085088c7337a99aaf51.tar.xz | |
mtd: nand: lpc32xx_slc: 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_slc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c index a0669a33f8fe..80c282914586 100644 --- a/drivers/mtd/nand/lpc32xx_slc.c +++ b/drivers/mtd/nand/lpc32xx_slc.c @@ -840,7 +840,9 @@ 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; /* Set NAND IO addresses and command/ready functions */ chip->IO_ADDR_R = SLC_DATA(host->io_base); @@ -972,9 +974,12 @@ 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); |