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arm: dma: check clk_get() result

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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>
This commit is contained in:
Vasiliy Kulikov 2010-11-26 20:05:55 +03:00 committed by Sascha Hauer
parent 0ef51953be
commit abebbb4680
1 changed files with 2 additions and 0 deletions
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arch/arm/mach-imx/dma-v1.c
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@ -821,6 +821,8 @@ static int __init imx_dma_init(void)
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 */