[PATCH] ata: pata_imx: Check the return value from clk_prepare_enable()
flat view
STALE4634d
From: Fabio Estevam <festevam@gmail.com>
Date: 2014-01-25 21:46:45
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
From: Fabio Estevam <redacted> clk_prepare_enable() may fail, so let's check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam <redacted> --- drivers/ata/pata_imx.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 97417d5..7e69797 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c@@ -118,7 +118,9 @@ static int pata_imx_probe(struct platform_device *pdev) return PTR_ERR(priv->clk); } - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; host = ata_host_alloc(&pdev->dev, 1); if (!host) {
@@ -211,7 +213,9 @@ static int pata_imx_resume(struct device *dev) struct ata_host *host = dev_get_drvdata(dev); struct pata_imx_priv *priv = host->private_data; - clk_prepare_enable(priv->clk); + int ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; __raw_writel(priv->ata_ctl, priv->host_regs + PATA_IMX_ATA_CONTROL);
--
1.8.1.2