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Diffstat (limited to 'sound/soc/fsl/imx-audmux.c')
-rw-r--r--sound/soc/fsl/imx-audmux.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c
index d3bf71a0ec56..ac869931d7f1 100644
--- a/sound/soc/fsl/imx-audmux.c
+++ b/sound/soc/fsl/imx-audmux.c
@@ -66,13 +66,10 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
66 size_t count, loff_t *ppos) 66 size_t count, loff_t *ppos)
67{ 67{
68 ssize_t ret; 68 ssize_t ret;
69 char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); 69 char *buf;
70 int port = (int)file->private_data; 70 int port = (int)file->private_data;
71 u32 pdcr, ptcr; 71 u32 pdcr, ptcr;
72 72
73 if (!buf)
74 return -ENOMEM;
75
76 if (audmux_clk) { 73 if (audmux_clk) {
77 ret = clk_prepare_enable(audmux_clk); 74 ret = clk_prepare_enable(audmux_clk);
78 if (ret) 75 if (ret)
@@ -85,6 +82,10 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
85 if (audmux_clk) 82 if (audmux_clk)
86 clk_disable_unprepare(audmux_clk); 83 clk_disable_unprepare(audmux_clk);
87 84
85 buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
86 if (!buf)
87 return -ENOMEM;
88
88 ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", 89 ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
89 pdcr, ptcr); 90 pdcr, ptcr);
90 91