clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/mtd/nand/lpc32xx_mlc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 846a66c..91ee3696 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);
--
1.9.1