When audmux_clk is used and clk_prepare_enable function succeed,
the memory alloc'd to buf variable is leaked

Signed-off-by: Felipe Pena <felipe...@gmail.com>
---
 sound/soc/fsl/imx-audmux.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c
index d3bf71a..977759a 100644
--- a/sound/soc/fsl/imx-audmux.c
+++ b/sound/soc/fsl/imx-audmux.c
@@ -66,19 +66,20 @@ static ssize_t audmux_read_file(struct file *file, char 
__user *user_buf,
                                size_t count, loff_t *ppos)
 {
        ssize_t ret;
-       char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+       char *buf;
        int port = (int)file->private_data;
        u32 pdcr, ptcr;
 
-       if (!buf)
-               return -ENOMEM;
-
        if (audmux_clk) {
                ret = clk_prepare_enable(audmux_clk);
                if (ret)
                        return ret;
        }
 
+       buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+
        ptcr = readl(audmux_base + IMX_AUDMUX_V2_PTCR(port));
        pdcr = readl(audmux_base + IMX_AUDMUX_V2_PDCR(port));
 
-- 
1.7.10.4

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