arm: dma: check clk_get() result
clk_get() may return ERR_PTR(), if so propagate return code as
imx_dma_init() return code.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/dma-v1.c b/arch/arm/mach-imx/dma-v1.c
index dcb24a9..e9f1769 100644
--- a/arch/arm/mach-imx/dma-v1.c
+++ b/arch/arm/mach-imx/dma-v1.c
@@ -821,6 +821,8 @@
return 0;
dma_clk = clk_get(NULL, "dma");
+ if (IS_ERR(dma_clk))
+ return PTR_ERR(dma_clk);
clk_enable(dma_clk);
/* reset DMA module */
