* [PATCH] arm: dma: check clk_get() result
@ 2010-11-26 17:05 Vasiliy Kulikov
0 siblings, 0 replies; only message in thread
From: Vasiliy Kulikov @ 2010-11-26 17:05 UTC (permalink / raw)
To: kernel-janitors
Cc: Russell King, Uwe Kleine-König, Sascha Hauer,
linux-arm-kernel, linux-kernel
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>
---
Cannot compile this driver, so it is not tested at all.
arch/arm/mach-imx/dma-v1.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
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 @@ 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 */
--
1.7.0.4
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2010-11-26 17:05 [PATCH] arm: dma: check clk_get() result Vasiliy Kulikov
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