diff mbox

mxs-mmc: Check the return value from clk_prepare_enable()

Message ID 1390686805-14771-1-git-send-email-festevam@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Fabio Estevam Jan. 25, 2014, 9:53 p.m. UTC 
From: Fabio Estevam <fabio.estevam@freescale.com>

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 <fabio.estevam@freescale.com>
---
 drivers/mmc/host/mxs-mmc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 19633fe..69bc942 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -612,7 +612,9 @@  static int mxs_mmc_probe(struct platform_device *pdev)
 		ret = PTR_ERR(ssp->clk);
 		goto out_mmc_free;
 	}
-	clk_prepare_enable(ssp->clk);
+	ret = clk_prepare_enable(ssp->clk);
+	if (ret)
+		goto out_mmc_free;
 
 	ret = mxs_mmc_reset(host);
 	if (ret) {
@@ -710,8 +712,7 @@  static int mxs_mmc_resume(struct device *dev)
 	struct mxs_mmc_host *host = mmc_priv(mmc);
 	struct mxs_ssp *ssp = &host->ssp;
 
-	clk_prepare_enable(ssp->clk);
-	return 0;
+	return clk_prepare_enable(ssp->clk);
 }
 
 static const struct dev_pm_ops mxs_mmc_pm_ops = {