diff options
Diffstat (limited to 'sound/soc/fsl/imx-audmux.c')
| -rw-r--r-- | sound/soc/fsl/imx-audmux.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c index ac86993..d3bf71a 100644 --- a/sound/soc/fsl/imx-audmux.c +++ b/sound/soc/fsl/imx-audmux.c @@ -66,10 +66,13 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { ssize_t ret; - char *buf; + char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); int port = (int)file->private_data; u32 pdcr, ptcr; + if (!buf) + return -ENOMEM; + if (audmux_clk) { ret = clk_prepare_enable(audmux_clk); if (ret) @@ -82,10 +85,6 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, if (audmux_clk) clk_disable_unprepare(audmux_clk); - buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; - ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr); |