[PATCH 1/5] imx-drm: ipu-di: Check the return value from clk_prepare_enable()
Fabio Estevam
festevam at gmail.com
Mon Aug 19 00:40:02 UTC 2013
From: Fabio Estevam <fabio.estevam at 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 at freescale.com>
---
drivers/staging/imx-drm/ipu-v3/ipu-di.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-di.c b/drivers/staging/imx-drm/ipu-v3/ipu-di.c
index 0b6806e..948a49b 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-di.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-di.c
@@ -654,7 +654,9 @@ EXPORT_SYMBOL_GPL(ipu_di_init_sync_panel);
int ipu_di_enable(struct ipu_di *di)
{
- clk_prepare_enable(di->clk_di_pixel);
+ int ret = clk_prepare_enable(di->clk_di_pixel);
+ if (ret)
+ return ret;
ipu_module_enable(di->ipu, di->module);
--
1.8.1.2
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