From 85d0b7809b912b566c3d19c5c96e044c0698ce2d Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Sun, 18 Aug 2013 21:40:02 -0300 Subject: [PATCH] imx-drm: ipu-di: Check the return value from clk_prepare_enable() 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 Acked-by: Sascha Hauer Signed-off-by: Greg Kroah-Hartman --- 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 0b6806e2069c..948a49b289ef 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); -- 2.20.1